Home / 39,560.93-54,594.61-21,655.55

Finding the Fourth Proportional to 39,560.93, 54,594.61 and 21,655.55

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Solution

The fourth proportional to 39,560.93, 54,594.61 and 21,655.55 is: 29,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.93 : 54,594.61 = 21,655.55 : x
  2. Step 2: Convert to fraction form
    39,560.93/54,594.61 = 21,655.55/x
  3. Step 3: Cross multiply
    39,560.93x = 54,594.61 × 21,655.55
  4. Step 4: Simplify right side
    39,560.93x = 1,182,276,388.93
  5. Step 5: Solve for x
    x = 1,182,276,388.93/39,560.93
  6. Step 6: Final answer
    x = 29,884.95

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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.