Home / 43,276.50-59,721.57-30,723.12

Finding the Fourth Proportional to 43,276.50, 59,721.57 and 30,723.12

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Solution

The fourth proportional to 43,276.50, 59,721.57 and 30,723.12 is: 42,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,276.50 : 59,721.57 = 30,723.12 : x
  2. Step 2: Convert to fraction form
    43,276.50/59,721.57 = 30,723.12/x
  3. Step 3: Cross multiply
    43,276.50x = 59,721.57 × 30,723.12
  4. Step 4: Simplify right side
    43,276.50x = 1,834,832,961.70
  5. Step 5: Solve for x
    x = 1,834,832,961.70/43,276.50
  6. Step 6: Final answer
    x = 42,397.91

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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.