Home / 74,474.59-111,710.90-18,315.18

Finding the Fourth Proportional to 74,474.59, 111,710.90 and 18,315.18

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Solution

The fourth proportional to 74,474.59, 111,710.90 and 18,315.18 is: 27,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,474.59 : 111,710.90 = 18,315.18 : x
  2. Step 2: Convert to fraction form
    74,474.59/111,710.90 = 18,315.18/x
  3. Step 3: Cross multiply
    74,474.59x = 111,710.90 × 18,315.18
  4. Step 4: Simplify right side
    74,474.59x = 2,046,005,184.23
  5. Step 5: Solve for x
    x = 2,046,005,184.23/74,474.59
  6. Step 6: Final answer
    x = 27,472.53

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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.