Home / 39,931.40-59,904.30-16,560.20

Finding the Fourth Proportional to 39,931.40, 59,904.30 and 16,560.20

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Solution

The fourth proportional to 39,931.40, 59,904.30 and 16,560.20 is: 24,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.40 : 59,904.30 = 16,560.20 : x
  2. Step 2: Convert to fraction form
    39,931.40/59,904.30 = 16,560.20/x
  3. Step 3: Cross multiply
    39,931.40x = 59,904.30 × 16,560.20
  4. Step 4: Simplify right side
    39,931.40x = 992,027,188.86
  5. Step 5: Solve for x
    x = 992,027,188.86/39,931.40
  6. Step 6: Final answer
    x = 24,843.29

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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.