Home / 39,423.50-54,406.65-22,657.58

Finding the Fourth Proportional to 39,423.50, 54,406.65 and 22,657.58

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Solution

The fourth proportional to 39,423.50, 54,406.65 and 22,657.58 is: 31,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,423.50 : 54,406.65 = 22,657.58 : x
  2. Step 2: Convert to fraction form
    39,423.50/54,406.65 = 22,657.58/x
  3. Step 3: Cross multiply
    39,423.50x = 54,406.65 × 22,657.58
  4. Step 4: Simplify right side
    39,423.50x = 1,232,723,024.91
  5. Step 5: Solve for x
    x = 1,232,723,024.91/39,423.50
  6. Step 6: Final answer
    x = 31,268.74

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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.