Home / 42,472.04-63,708.93-15,453.45

Finding the Fourth Proportional to 42,472.04, 63,708.93 and 15,453.45

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Solution

The fourth proportional to 42,472.04, 63,708.93 and 15,453.45 is: 23,180.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,472.04 : 63,708.93 = 15,453.45 : x
  2. Step 2: Convert to fraction form
    42,472.04/63,708.93 = 15,453.45/x
  3. Step 3: Cross multiply
    42,472.04x = 63,708.93 × 15,453.45
  4. Step 4: Simplify right side
    42,472.04x = 984,522,764.31
  5. Step 5: Solve for x
    x = 984,522,764.31/42,472.04
  6. Step 6: Final answer
    x = 23,180.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.