Home / 58,335.08-87,446.28-18,865.40

Finding the Fourth Proportional to 58,335.08, 87,446.28 and 18,865.40

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Solution

The fourth proportional to 58,335.08, 87,446.28 and 18,865.40 is: 28,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,335.08 : 87,446.28 = 18,865.40 : x
  2. Step 2: Convert to fraction form
    58,335.08/87,446.28 = 18,865.40/x
  3. Step 3: Cross multiply
    58,335.08x = 87,446.28 × 18,865.40
  4. Step 4: Simplify right side
    58,335.08x = 1,649,709,050.71
  5. Step 5: Solve for x
    x = 1,649,709,050.71/58,335.08
  6. Step 6: Final answer
    x = 28,279.88

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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.