Home / 51,127.08-76,701.08-19,534.92

Finding the Fourth Proportional to 51,127.08, 76,701.08 and 19,534.92

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Solution

The fourth proportional to 51,127.08, 76,701.08 and 19,534.92 is: 29,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127.08 : 76,701.08 = 19,534.92 : x
  2. Step 2: Convert to fraction form
    51,127.08/76,701.08 = 19,534.92/x
  3. Step 3: Cross multiply
    51,127.08x = 76,701.08 × 19,534.92
  4. Step 4: Simplify right side
    51,127.08x = 1,498,349,461.71
  5. Step 5: Solve for x
    x = 1,498,349,461.71/51,127.08
  6. Step 6: Final answer
    x = 29,306.38

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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.