Home / 47,175.95-70,774.32-20,526.12

Finding the Fourth Proportional to 47,175.95, 70,774.32 and 20,526.12

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Solution

The fourth proportional to 47,175.95, 70,774.32 and 20,526.12 is: 30,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,175.95 : 70,774.32 = 20,526.12 : x
  2. Step 2: Convert to fraction form
    47,175.95/70,774.32 = 20,526.12/x
  3. Step 3: Cross multiply
    47,175.95x = 70,774.32 × 20,526.12
  4. Step 4: Simplify right side
    47,175.95x = 1,452,722,349.35
  5. Step 5: Solve for x
    x = 1,452,722,349.35/47,175.95
  6. Step 6: Final answer
    x = 30,793.71

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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.