Home / 47,108.16-65,013.12-28,244.88

Finding the Fourth Proportional to 47,108.16, 65,013.12 and 28,244.88

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Solution

The fourth proportional to 47,108.16, 65,013.12 and 28,244.88 is: 38,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,108.16 : 65,013.12 = 28,244.88 : x
  2. Step 2: Convert to fraction form
    47,108.16/65,013.12 = 28,244.88/x
  3. Step 3: Cross multiply
    47,108.16x = 65,013.12 × 28,244.88
  4. Step 4: Simplify right side
    47,108.16x = 1,836,287,772.83
  5. Step 5: Solve for x
    x = 1,836,287,772.83/47,108.16
  6. Step 6: Final answer
    x = 38,980.25

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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.