Home / 39,560.74-59,336.55-9,978.84

Finding the Fourth Proportional to 39,560.74, 59,336.55 and 9,978.84

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Solution

The fourth proportional to 39,560.74, 59,336.55 and 9,978.84 is: 14,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.74 : 59,336.55 = 9,978.84 : x
  2. Step 2: Convert to fraction form
    39,560.74/59,336.55 = 9,978.84/x
  3. Step 3: Cross multiply
    39,560.74x = 59,336.55 × 9,978.84
  4. Step 4: Simplify right side
    39,560.74x = 592,109,938.60
  5. Step 5: Solve for x
    x = 592,109,938.60/39,560.74
  6. Step 6: Final answer
    x = 14,967.11

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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.