Home / 57,029.40-85,446.90-48,670.20

Finding the Fourth Proportional to 57,029.40, 85,446.90 and 48,670.20

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Solution

The fourth proportional to 57,029.40, 85,446.90 and 48,670.20 is: 72,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,029.40 : 85,446.90 = 48,670.20 : x
  2. Step 2: Convert to fraction form
    57,029.40/85,446.90 = 48,670.20/x
  3. Step 3: Cross multiply
    57,029.40x = 85,446.90 × 48,670.20
  4. Step 4: Simplify right side
    57,029.40x = 4,158,717,712.38
  5. Step 5: Solve for x
    x = 4,158,717,712.38/57,029.40
  6. Step 6: Final answer
    x = 72,922.35

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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.