Home / 58,215.40-87,323.10-18,773.80

Finding the Fourth Proportional to 58,215.40, 87,323.10 and 18,773.80

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Solution

The fourth proportional to 58,215.40, 87,323.10 and 18,773.80 is: 28,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,215.40 : 87,323.10 = 18,773.80 : x
  2. Step 2: Convert to fraction form
    58,215.40/87,323.10 = 18,773.80/x
  3. Step 3: Cross multiply
    58,215.40x = 87,323.10 × 18,773.80
  4. Step 4: Simplify right side
    58,215.40x = 1,639,386,414.78
  5. Step 5: Solve for x
    x = 1,639,386,414.78/58,215.40
  6. Step 6: Final answer
    x = 28,160.70

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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.