Home / 37,685.07-52,002.80-20,916.75

Finding the Fourth Proportional to 37,685.07, 52,002.80 and 20,916.75

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Solution

The fourth proportional to 37,685.07, 52,002.80 and 20,916.75 is: 28,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,685.07 : 52,002.80 = 20,916.75 : x
  2. Step 2: Convert to fraction form
    37,685.07/52,002.80 = 20,916.75/x
  3. Step 3: Cross multiply
    37,685.07x = 52,002.80 × 20,916.75
  4. Step 4: Simplify right side
    37,685.07x = 1,087,729,462.32
  5. Step 5: Solve for x
    x = 1,087,729,462.32/37,685.07
  6. Step 6: Final answer
    x = 28,863.67

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Double scale
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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.