Home / 39,156.50-54,036.03-22,389.86

Finding the Fourth Proportional to 39,156.50, 54,036.03 and 22,389.86

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Solution

The fourth proportional to 39,156.50, 54,036.03 and 22,389.86 is: 30,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156.50 : 54,036.03 = 22,389.86 : x
  2. Step 2: Convert to fraction form
    39,156.50/54,036.03 = 22,389.86/x
  3. Step 3: Cross multiply
    39,156.50x = 54,036.03 × 22,389.86
  4. Step 4: Simplify right side
    39,156.50x = 1,209,859,146.66
  5. Step 5: Solve for x
    x = 1,209,859,146.66/39,156.50
  6. Step 6: Final answer
    x = 30,898.04

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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.