Home / 47,938.88-66,158.52-26,718.10

Finding the Fourth Proportional to 47,938.88, 66,158.52 and 26,718.10

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Solution

The fourth proportional to 47,938.88, 66,158.52 and 26,718.10 is: 36,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,938.88 : 66,158.52 = 26,718.10 : x
  2. Step 2: Convert to fraction form
    47,938.88/66,158.52 = 26,718.10/x
  3. Step 3: Cross multiply
    47,938.88x = 66,158.52 × 26,718.10
  4. Step 4: Simplify right side
    47,938.88x = 1,767,629,953.21
  5. Step 5: Solve for x
    x = 1,767,629,953.21/47,938.88
  6. Step 6: Final answer
    x = 36,872.58

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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.