Home / 37,326.18-51,510.13-20,559.18

Finding the Fourth Proportional to 37,326.18, 51,510.13 and 20,559.18

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Solution

The fourth proportional to 37,326.18, 51,510.13 and 20,559.18 is: 28,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,326.18 : 51,510.13 = 20,559.18 : x
  2. Step 2: Convert to fraction form
    37,326.18/51,510.13 = 20,559.18/x
  3. Step 3: Cross multiply
    37,326.18x = 51,510.13 × 20,559.18
  4. Step 4: Simplify right side
    37,326.18x = 1,059,006,034.49
  5. Step 5: Solve for x
    x = 1,059,006,034.49/37,326.18
  6. Step 6: Final answer
    x = 28,371.67

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Double scale
Find fourth proportional to 37,327.18, 51,511.51 and 20,560.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.