Home / 30,432.12-42,049.98-23,419.14

Finding the Fourth Proportional to 30,432.12, 42,049.98 and 23,419.14

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Solution

The fourth proportional to 30,432.12, 42,049.98 and 23,419.14 is: 32,359.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.12 : 42,049.98 = 23,419.14 : x
  2. Step 2: Convert to fraction form
    30,432.12/42,049.98 = 23,419.14/x
  3. Step 3: Cross multiply
    30,432.12x = 42,049.98 × 23,419.14
  4. Step 4: Simplify right side
    30,432.12x = 984,774,368.62
  5. Step 5: Solve for x
    x = 984,774,368.62/30,432.12
  6. Step 6: Final answer
    x = 32,359.70

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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.