Home / 65,426.74-98,146.08-21,042.52

Finding the Fourth Proportional to 65,426.74, 98,146.08 and 21,042.52

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Solution

The fourth proportional to 65,426.74, 98,146.08 and 21,042.52 is: 31,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,426.74 : 98,146.08 = 21,042.52 : x
  2. Step 2: Convert to fraction form
    65,426.74/98,146.08 = 21,042.52/x
  3. Step 3: Cross multiply
    65,426.74x = 98,146.08 × 21,042.52
  4. Step 4: Simplify right side
    65,426.74x = 2,065,240,851.32
  5. Step 5: Solve for x
    x = 2,065,240,851.32/65,426.74
  6. Step 6: Final answer
    x = 31,565.70

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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.