Home / 37,655.18-51,964.21-20,888.18

Finding the Fourth Proportional to 37,655.18, 51,964.21 and 20,888.18

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Solution

The fourth proportional to 37,655.18, 51,964.21 and 20,888.18 is: 28,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,655.18 : 51,964.21 = 20,888.18 : x
  2. Step 2: Convert to fraction form
    37,655.18/51,964.21 = 20,888.18/x
  3. Step 3: Cross multiply
    37,655.18x = 51,964.21 × 20,888.18
  4. Step 4: Simplify right side
    37,655.18x = 1,085,437,772.04
  5. Step 5: Solve for x
    x = 1,085,437,772.04/37,655.18
  6. Step 6: Final answer
    x = 28,825.72

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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.