Home / 39,376.59-54,337.64-22,378.56

Finding the Fourth Proportional to 39,376.59, 54,337.64 and 22,378.56

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Solution

The fourth proportional to 39,376.59, 54,337.64 and 22,378.56 is: 30,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,376.59 : 54,337.64 = 22,378.56 : x
  2. Step 2: Convert to fraction form
    39,376.59/54,337.64 = 22,378.56/x
  3. Step 3: Cross multiply
    39,376.59x = 54,337.64 × 22,378.56
  4. Step 4: Simplify right side
    39,376.59x = 1,215,998,025.11
  5. Step 5: Solve for x
    x = 1,215,998,025.11/39,376.59
  6. Step 6: Final answer
    x = 30,881.24

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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.