Home / 66,331.74-99,431.13-30,818.04

Finding the Fourth Proportional to 66,331.74, 99,431.13 and 30,818.04

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Solution

The fourth proportional to 66,331.74, 99,431.13 and 30,818.04 is: 46,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,331.74 : 99,431.13 = 30,818.04 : x
  2. Step 2: Convert to fraction form
    66,331.74/99,431.13 = 30,818.04/x
  3. Step 3: Cross multiply
    66,331.74x = 99,431.13 × 30,818.04
  4. Step 4: Simplify right side
    66,331.74x = 3,064,272,541.59
  5. Step 5: Solve for x
    x = 3,064,272,541.59/66,331.74
  6. Step 6: Final answer
    x = 46,196.17

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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.