Home / 47,915.13-66,122.90-26,695.78

Finding the Fourth Proportional to 47,915.13, 66,122.90 and 26,695.78

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Solution

The fourth proportional to 47,915.13, 66,122.90 and 26,695.78 is: 36,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,915.13 : 66,122.90 = 26,695.78 : x
  2. Step 2: Convert to fraction form
    47,915.13/66,122.90 = 26,695.78/x
  3. Step 3: Cross multiply
    47,915.13x = 66,122.90 × 26,695.78
  4. Step 4: Simplify right side
    47,915.13x = 1,765,202,391.36
  5. Step 5: Solve for x
    x = 1,765,202,391.36/47,915.13
  6. Step 6: Final answer
    x = 36,840.19

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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.