Home / 58,216.20-87,324.30-38,387.40

Finding the Fourth Proportional to 58,216.20, 87,324.30 and 38,387.40

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Solution

The fourth proportional to 58,216.20, 87,324.30 and 38,387.40 is: 57,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,216.20 : 87,324.30 = 38,387.40 : x
  2. Step 2: Convert to fraction form
    58,216.20/87,324.30 = 38,387.40/x
  3. Step 3: Cross multiply
    58,216.20x = 87,324.30 × 38,387.40
  4. Step 4: Simplify right side
    58,216.20x = 3,352,152,833.82
  5. Step 5: Solve for x
    x = 3,352,152,833.82/58,216.20
  6. Step 6: Final answer
    x = 57,581.10

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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.