Home / 53,731.40-80,597.10-51,456.20

Finding the Fourth Proportional to 53,731.40, 80,597.10 and 51,456.20

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Solution

The fourth proportional to 53,731.40, 80,597.10 and 51,456.20 is: 77,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,731.40 : 80,597.10 = 51,456.20 : x
  2. Step 2: Convert to fraction form
    53,731.40/80,597.10 = 51,456.20/x
  3. Step 3: Cross multiply
    53,731.40x = 80,597.10 × 51,456.20
  4. Step 4: Simplify right side
    53,731.40x = 4,147,220,497.02
  5. Step 5: Solve for x
    x = 4,147,220,497.02/53,731.40
  6. Step 6: Final answer
    x = 77,184.30

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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.