Home / 52,127.28-71,878.59-38,723.40

Finding the Fourth Proportional to 52,127.28, 71,878.59 and 38,723.40

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Solution

The fourth proportional to 52,127.28, 71,878.59 and 38,723.40 is: 53,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,127.28 : 71,878.59 = 38,723.40 : x
  2. Step 2: Convert to fraction form
    52,127.28/71,878.59 = 38,723.40/x
  3. Step 3: Cross multiply
    52,127.28x = 71,878.59 × 38,723.40
  4. Step 4: Simplify right side
    52,127.28x = 2,783,383,392.01
  5. Step 5: Solve for x
    x = 2,783,383,392.01/52,127.28
  6. Step 6: Final answer
    x = 53,395.91

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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.