Home / 58,630.20-80,904.86-33,138.74

Finding the Fourth Proportional to 58,630.20, 80,904.86 and 33,138.74

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Solution

The fourth proportional to 58,630.20, 80,904.86 and 33,138.74 is: 45,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,630.20 : 80,904.86 = 33,138.74 : x
  2. Step 2: Convert to fraction form
    58,630.20/80,904.86 = 33,138.74/x
  3. Step 3: Cross multiply
    58,630.20x = 80,904.86 × 33,138.74
  4. Step 4: Simplify right side
    58,630.20x = 2,681,085,120.28
  5. Step 5: Solve for x
    x = 2,681,085,120.28/58,630.20
  6. Step 6: Final answer
    x = 45,728.74

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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.