Home / 49,372.12-68,129.28-27,860.68

Finding the Fourth Proportional to 49,372.12, 68,129.28 and 27,860.68

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Solution

The fourth proportional to 49,372.12, 68,129.28 and 27,860.68 is: 38,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,372.12 : 68,129.28 = 27,860.68 : x
  2. Step 2: Convert to fraction form
    49,372.12/68,129.28 = 27,860.68/x
  3. Step 3: Cross multiply
    49,372.12x = 68,129.28 × 27,860.68
  4. Step 4: Simplify right side
    49,372.12x = 1,898,128,068.71
  5. Step 5: Solve for x
    x = 1,898,128,068.71/49,372.12
  6. Step 6: Final answer
    x = 38,445.34

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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.