Home / 38,265.89-57,312.27-20,465.10

Finding the Fourth Proportional to 38,265.89, 57,312.27 and 20,465.10

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Solution

The fourth proportional to 38,265.89, 57,312.27 and 20,465.10 is: 30,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,265.89 : 57,312.27 = 20,465.10 : x
  2. Step 2: Convert to fraction form
    38,265.89/57,312.27 = 20,465.10/x
  3. Step 3: Cross multiply
    38,265.89x = 57,312.27 × 20,465.10
  4. Step 4: Simplify right side
    38,265.89x = 1,172,901,336.78
  5. Step 5: Solve for x
    x = 1,172,901,336.78/38,265.89
  6. Step 6: Final answer
    x = 30,651.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.