Home / 29,474.20-40,678.14-16,898.68

Finding the Fourth Proportional to 29,474.20, 40,678.14 and 16,898.68

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Solution

The fourth proportional to 29,474.20, 40,678.14 and 16,898.68 is: 23,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,474.20 : 40,678.14 = 16,898.68 : x
  2. Step 2: Convert to fraction form
    29,474.20/40,678.14 = 16,898.68/x
  3. Step 3: Cross multiply
    29,474.20x = 40,678.14 × 16,898.68
  4. Step 4: Simplify right side
    29,474.20x = 687,406,870.86
  5. Step 5: Solve for x
    x = 687,406,870.86/29,474.20
  6. Step 6: Final answer
    x = 23,322.32

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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.