Home / 45,871.08-63,292.44-29,978.88

Finding the Fourth Proportional to 45,871.08, 63,292.44 and 29,978.88

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Solution

The fourth proportional to 45,871.08, 63,292.44 and 29,978.88 is: 41,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,871.08 : 63,292.44 = 29,978.88 : x
  2. Step 2: Convert to fraction form
    45,871.08/63,292.44 = 29,978.88/x
  3. Step 3: Cross multiply
    45,871.08x = 63,292.44 × 29,978.88
  4. Step 4: Simplify right side
    45,871.08x = 1,897,436,463.67
  5. Step 5: Solve for x
    x = 1,897,436,463.67/45,871.08
  6. Step 6: Final answer
    x = 41,364.55

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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.