Home / 53,669.18-74,012.46-39,120.14

Finding the Fourth Proportional to 53,669.18, 74,012.46 and 39,120.14

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Solution

The fourth proportional to 53,669.18, 74,012.46 and 39,120.14 is: 53,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,669.18 : 74,012.46 = 39,120.14 : x
  2. Step 2: Convert to fraction form
    53,669.18/74,012.46 = 39,120.14/x
  3. Step 3: Cross multiply
    53,669.18x = 74,012.46 × 39,120.14
  4. Step 4: Simplify right side
    53,669.18x = 2,895,377,426.88
  5. Step 5: Solve for x
    x = 2,895,377,426.88/53,669.18
  6. Step 6: Final answer
    x = 53,948.61

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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.