Home / 39,560.58-59,336.45-9,978.42

Finding the Fourth Proportional to 39,560.58, 59,336.45 and 9,978.42

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Solution

The fourth proportional to 39,560.58, 59,336.45 and 9,978.42 is: 14,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.58 : 59,336.45 = 9,978.42 : x
  2. Step 2: Convert to fraction form
    39,560.58/59,336.45 = 9,978.42/x
  3. Step 3: Cross multiply
    39,560.58x = 59,336.45 × 9,978.42
  4. Step 4: Simplify right side
    39,560.58x = 592,083,969.52
  5. Step 5: Solve for x
    x = 592,083,969.52/39,560.58
  6. Step 6: Final answer
    x = 14,966.51

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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.