Home / 47,862.12-66,050.10-28,986.12

Finding the Fourth Proportional to 47,862.12, 66,050.10 and 28,986.12

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Solution

The fourth proportional to 47,862.12, 66,050.10 and 28,986.12 is: 40,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,862.12 : 66,050.10 = 28,986.12 : x
  2. Step 2: Convert to fraction form
    47,862.12/66,050.10 = 28,986.12/x
  3. Step 3: Cross multiply
    47,862.12x = 66,050.10 × 28,986.12
  4. Step 4: Simplify right side
    47,862.12x = 1,914,536,124.61
  5. Step 5: Solve for x
    x = 1,914,536,124.61/47,862.12
  6. Step 6: Final answer
    x = 40,001.07

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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.