Home / 38,809.10-58,214.26-12,155.80

Finding the Fourth Proportional to 38,809.10, 58,214.26 and 12,155.80

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Solution

The fourth proportional to 38,809.10, 58,214.26 and 12,155.80 is: 18,233.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,809.10 : 58,214.26 = 12,155.80 : x
  2. Step 2: Convert to fraction form
    38,809.10/58,214.26 = 12,155.80/x
  3. Step 3: Cross multiply
    38,809.10x = 58,214.26 × 12,155.80
  4. Step 4: Simplify right side
    38,809.10x = 707,640,901.71
  5. Step 5: Solve for x
    x = 707,640,901.71/38,809.10
  6. Step 6: Final answer
    x = 18,233.89

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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.