Home / 47,939.28-66,156.30-26,718.12

Finding the Fourth Proportional to 47,939.28, 66,156.30 and 26,718.12

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Solution

The fourth proportional to 47,939.28, 66,156.30 and 26,718.12 is: 36,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939.28 : 66,156.30 = 26,718.12 : x
  2. Step 2: Convert to fraction form
    47,939.28/66,156.30 = 26,718.12/x
  3. Step 3: Cross multiply
    47,939.28x = 66,156.30 × 26,718.12
  4. Step 4: Simplify right side
    47,939.28x = 1,767,571,962.16
  5. Step 5: Solve for x
    x = 1,767,571,962.16/47,939.28
  6. Step 6: Final answer
    x = 36,871.06

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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.