Home / 39,263.43-54,182.75-21,358.88

Finding the Fourth Proportional to 39,263.43, 54,182.75 and 21,358.88

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Solution

The fourth proportional to 39,263.43, 54,182.75 and 21,358.88 is: 29,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,263.43 : 54,182.75 = 21,358.88 : x
  2. Step 2: Convert to fraction form
    39,263.43/54,182.75 = 21,358.88/x
  3. Step 3: Cross multiply
    39,263.43x = 54,182.75 × 21,358.88
  4. Step 4: Simplify right side
    39,263.43x = 1,157,282,477.61
  5. Step 5: Solve for x
    x = 1,157,282,477.61/39,263.43
  6. Step 6: Final answer
    x = 29,474.82

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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.