Home / 31,572.80-43,569.60-17,424.62

Finding the Fourth Proportional to 31,572.80, 43,569.60 and 17,424.62

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Solution

The fourth proportional to 31,572.80, 43,569.60 and 17,424.62 is: 24,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.80 : 43,569.60 = 17,424.62 : x
  2. Step 2: Convert to fraction form
    31,572.80/43,569.60 = 17,424.62/x
  3. Step 3: Cross multiply
    31,572.80x = 43,569.60 × 17,424.62
  4. Step 4: Simplify right side
    31,572.80x = 759,183,723.55
  5. Step 5: Solve for x
    x = 759,183,723.55/31,572.80
  6. Step 6: Final answer
    x = 24,045.50

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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.