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Finding the Fourth Proportional to 43,478.96, 59,979.03 and 25,562.57

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Solution

The fourth proportional to 43,478.96, 59,979.03 and 25,562.57 is: 35,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,478.96 : 59,979.03 = 25,562.57 : x
  2. Step 2: Convert to fraction form
    43,478.96/59,979.03 = 25,562.57/x
  3. Step 3: Cross multiply
    43,478.96x = 59,979.03 × 25,562.57
  4. Step 4: Simplify right side
    43,478.96x = 1,533,218,152.91
  5. Step 5: Solve for x
    x = 1,533,218,152.91/43,478.96
  6. Step 6: Final answer
    x = 35,263.45

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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.