Home / 71,548.27-98,731.67-39,714.66

Finding the Fourth Proportional to 71,548.27, 98,731.67 and 39,714.66

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Solution

The fourth proportional to 71,548.27, 98,731.67 and 39,714.66 is: 54,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,548.27 : 98,731.67 = 39,714.66 : x
  2. Step 2: Convert to fraction form
    71,548.27/98,731.67 = 39,714.66/x
  3. Step 3: Cross multiply
    71,548.27x = 98,731.67 × 39,714.66
  4. Step 4: Simplify right side
    71,548.27x = 3,921,094,506.71
  5. Step 5: Solve for x
    x = 3,921,094,506.71/71,548.27
  6. Step 6: Final answer
    x = 54,803.49

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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.