Home / 39,462.34-54,461.78-21,560.04

Finding the Fourth Proportional to 39,462.34, 54,461.78 and 21,560.04

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Solution

The fourth proportional to 39,462.34, 54,461.78 and 21,560.04 is: 29,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,462.34 : 54,461.78 = 21,560.04 : x
  2. Step 2: Convert to fraction form
    39,462.34/54,461.78 = 21,560.04/x
  3. Step 3: Cross multiply
    39,462.34x = 54,461.78 × 21,560.04
  4. Step 4: Simplify right side
    39,462.34x = 1,174,198,155.27
  5. Step 5: Solve for x
    x = 1,174,198,155.27/39,462.34
  6. Step 6: Final answer
    x = 29,754.90

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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.