Home / 49,547.49-74,337.63-19,990.18

Finding the Fourth Proportional to 49,547.49, 74,337.63 and 19,990.18

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Solution

The fourth proportional to 49,547.49, 74,337.63 and 19,990.18 is: 29,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,547.49 : 74,337.63 = 19,990.18 : x
  2. Step 2: Convert to fraction form
    49,547.49/74,337.63 = 19,990.18/x
  3. Step 3: Cross multiply
    49,547.49x = 74,337.63 × 19,990.18
  4. Step 4: Simplify right side
    49,547.49x = 1,486,022,604.47
  5. Step 5: Solve for x
    x = 1,486,022,604.47/49,547.49
  6. Step 6: Final answer
    x = 29,991.88

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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.