Home / 38,437.13-57,681.71-13,477.38

Finding the Fourth Proportional to 38,437.13, 57,681.71 and 13,477.38

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Solution

The fourth proportional to 38,437.13, 57,681.71 and 13,477.38 is: 20,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437.13 : 57,681.71 = 13,477.38 : x
  2. Step 2: Convert to fraction form
    38,437.13/57,681.71 = 13,477.38/x
  3. Step 3: Cross multiply
    38,437.13x = 57,681.71 × 13,477.38
  4. Step 4: Simplify right side
    38,437.13x = 777,398,324.72
  5. Step 5: Solve for x
    x = 777,398,324.72/38,437.13
  6. Step 6: Final answer
    x = 20,225.19

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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.