Home / 60,931.07-91,404.13-29,742.75

Finding the Fourth Proportional to 60,931.07, 91,404.13 and 29,742.75

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Solution

The fourth proportional to 60,931.07, 91,404.13 and 29,742.75 is: 44,617.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,931.07 : 91,404.13 = 29,742.75 : x
  2. Step 2: Convert to fraction form
    60,931.07/91,404.13 = 29,742.75/x
  3. Step 3: Cross multiply
    60,931.07x = 91,404.13 × 29,742.75
  4. Step 4: Simplify right side
    60,931.07x = 2,718,610,038.84
  5. Step 5: Solve for x
    x = 2,718,610,038.84/60,931.07
  6. Step 6: Final answer
    x = 44,617.80

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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.