Home / 39,465.22-54,462.06-21,560.53

Finding the Fourth Proportional to 39,465.22, 54,462.06 and 21,560.53

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Solution

The fourth proportional to 39,465.22, 54,462.06 and 21,560.53 is: 29,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465.22 : 54,462.06 = 21,560.53 : x
  2. Step 2: Convert to fraction form
    39,465.22/54,462.06 = 21,560.53/x
  3. Step 3: Cross multiply
    39,465.22x = 54,462.06 × 21,560.53
  4. Step 4: Simplify right side
    39,465.22x = 1,174,230,878.49
  5. Step 5: Solve for x
    x = 1,174,230,878.49/39,465.22
  6. Step 6: Final answer
    x = 29,753.56

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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.