Home / 39,292.34-54,224.76-21,387.99

Finding the Fourth Proportional to 39,292.34, 54,224.76 and 21,387.99

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Solution

The fourth proportional to 39,292.34, 54,224.76 and 21,387.99 is: 29,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,292.34 : 54,224.76 = 21,387.99 : x
  2. Step 2: Convert to fraction form
    39,292.34/54,224.76 = 21,387.99/x
  3. Step 3: Cross multiply
    39,292.34x = 54,224.76 × 21,387.99
  4. Step 4: Simplify right side
    39,292.34x = 1,159,758,624.63
  5. Step 5: Solve for x
    x = 1,159,758,624.63/39,292.34
  6. Step 6: Final answer
    x = 29,516.15

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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.