Home / 57,630.45-79,518-34,981.32

Finding the Fourth Proportional to 57,630.45, 79,518 and 34,981.32

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Solution

The fourth proportional to 57,630.45, 79,518 and 34,981.32 is: 48,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,630.45 : 79,518 = 34,981.32 : x
  2. Step 2: Convert to fraction form
    57,630.45/79,518 = 34,981.32/x
  3. Step 3: Cross multiply
    57,630.45x = 79,518 × 34,981.32
  4. Step 4: Simplify right side
    57,630.45x = 2,781,644,603.76
  5. Step 5: Solve for x
    x = 2,781,644,603.76/57,630.45
  6. Step 6: Final answer
    x = 48,266.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.