Home / 39,312.32-58,953.89-21,296.97

Finding the Fourth Proportional to 39,312.32, 58,953.89 and 21,296.97

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Solution

The fourth proportional to 39,312.32, 58,953.89 and 21,296.97 is: 31,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,312.32 : 58,953.89 = 21,296.97 : x
  2. Step 2: Convert to fraction form
    39,312.32/58,953.89 = 21,296.97/x
  3. Step 3: Cross multiply
    39,312.32x = 58,953.89 × 21,296.97
  4. Step 4: Simplify right side
    39,312.32x = 1,255,539,279.96
  5. Step 5: Solve for x
    x = 1,255,539,279.96/39,312.32
  6. Step 6: Final answer
    x = 31,937.56

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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.