Home / 66,038.60-98,882.94-39,707.12

Finding the Fourth Proportional to 66,038.60, 98,882.94 and 39,707.12

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Solution

The fourth proportional to 66,038.60, 98,882.94 and 39,707.12 is: 59,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,038.60 : 98,882.94 = 39,707.12 : x
  2. Step 2: Convert to fraction form
    66,038.60/98,882.94 = 39,707.12/x
  3. Step 3: Cross multiply
    66,038.60x = 98,882.94 × 39,707.12
  4. Step 4: Simplify right side
    66,038.60x = 3,926,356,764.53
  5. Step 5: Solve for x
    x = 3,926,356,764.53/66,038.60
  6. Step 6: Final answer
    x = 59,455.48

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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.