Home / 48,515.12-66,934.85-39,547.20

Finding the Fourth Proportional to 48,515.12, 66,934.85 and 39,547.20

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Solution

The fourth proportional to 48,515.12, 66,934.85 and 39,547.20 is: 54,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,515.12 : 66,934.85 = 39,547.20 : x
  2. Step 2: Convert to fraction form
    48,515.12/66,934.85 = 39,547.20/x
  3. Step 3: Cross multiply
    48,515.12x = 66,934.85 × 39,547.20
  4. Step 4: Simplify right side
    48,515.12x = 2,647,085,702.18
  5. Step 5: Solve for x
    x = 2,647,085,702.18/48,515.12
  6. Step 6: Final answer
    x = 54,562.08

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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.