Home / 45,871.06-63,292.44-29,978.86

Finding the Fourth Proportional to 45,871.06, 63,292.44 and 29,978.86

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Solution

The fourth proportional to 45,871.06, 63,292.44 and 29,978.86 is: 41,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,871.06 : 63,292.44 = 29,978.86 : x
  2. Step 2: Convert to fraction form
    45,871.06/63,292.44 = 29,978.86/x
  3. Step 3: Cross multiply
    45,871.06x = 63,292.44 × 29,978.86
  4. Step 4: Simplify right side
    45,871.06x = 1,897,435,197.82
  5. Step 5: Solve for x
    x = 1,897,435,197.82/45,871.06
  6. Step 6: Final answer
    x = 41,364.54

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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.