Home / 51,442.60-77,549.47-48,013.45

Finding the Fourth Proportional to 51,442.60, 77,549.47 and 48,013.45

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Solution

The fourth proportional to 51,442.60, 77,549.47 and 48,013.45 is: 72,380.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.60 : 77,549.47 = 48,013.45 : x
  2. Step 2: Convert to fraction form
    51,442.60/77,549.47 = 48,013.45/x
  3. Step 3: Cross multiply
    51,442.60x = 77,549.47 × 48,013.45
  4. Step 4: Simplify right side
    51,442.60x = 3,723,417,594.60
  5. Step 5: Solve for x
    x = 3,723,417,594.60/51,442.60
  6. Step 6: Final answer
    x = 72,380.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.