Home / 47,948.64-66,170.16-26,730

Finding the Fourth Proportional to 47,948.64, 66,170.16 and 26,730

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Solution

The fourth proportional to 47,948.64, 66,170.16 and 26,730 is: 36,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,948.64 : 66,170.16 = 26,730 : x
  2. Step 2: Convert to fraction form
    47,948.64/66,170.16 = 26,730/x
  3. Step 3: Cross multiply
    47,948.64x = 66,170.16 × 26,730
  4. Step 4: Simplify right side
    47,948.64x = 1,768,728,376.80
  5. Step 5: Solve for x
    x = 1,768,728,376.80/47,948.64
  6. Step 6: Final answer
    x = 36,887.98

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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.