Home / 48,547.77-72,839.07-18,986.82

Finding the Fourth Proportional to 48,547.77, 72,839.07 and 18,986.82

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Solution

The fourth proportional to 48,547.77, 72,839.07 and 18,986.82 is: 28,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,547.77 : 72,839.07 = 18,986.82 : x
  2. Step 2: Convert to fraction form
    48,547.77/72,839.07 = 18,986.82/x
  3. Step 3: Cross multiply
    48,547.77x = 72,839.07 × 18,986.82
  4. Step 4: Simplify right side
    48,547.77x = 1,382,982,311.06
  5. Step 5: Solve for x
    x = 1,382,982,311.06/48,547.77
  6. Step 6: Final answer
    x = 28,487.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.