Home / 38,555.31-57,833.37-13,590.70

Finding the Fourth Proportional to 38,555.31, 57,833.37 and 13,590.70

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Solution

The fourth proportional to 38,555.31, 57,833.37 and 13,590.70 is: 20,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,555.31 : 57,833.37 = 13,590.70 : x
  2. Step 2: Convert to fraction form
    38,555.31/57,833.37 = 13,590.70/x
  3. Step 3: Cross multiply
    38,555.31x = 57,833.37 × 13,590.70
  4. Step 4: Simplify right side
    38,555.31x = 785,995,981.66
  5. Step 5: Solve for x
    x = 785,995,981.66/38,555.31
  6. Step 6: Final answer
    x = 20,386.19

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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.