Home / 55,417.04-83,113.68-15,966.80

Finding the Fourth Proportional to 55,417.04, 83,113.68 and 15,966.80

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Solution

The fourth proportional to 55,417.04, 83,113.68 and 15,966.80 is: 23,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.04 : 83,113.68 = 15,966.80 : x
  2. Step 2: Convert to fraction form
    55,417.04/83,113.68 = 15,966.80/x
  3. Step 3: Cross multiply
    55,417.04x = 83,113.68 × 15,966.80
  4. Step 4: Simplify right side
    55,417.04x = 1,327,059,505.82
  5. Step 5: Solve for x
    x = 1,327,059,505.82/55,417.04
  6. Step 6: Final answer
    x = 23,946.78

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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.