Home / 30,406.53-45,591.17-10,687.35

Finding the Fourth Proportional to 30,406.53, 45,591.17 and 10,687.35

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Solution

The fourth proportional to 30,406.53, 45,591.17 and 10,687.35 is: 16,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406.53 : 45,591.17 = 10,687.35 : x
  2. Step 2: Convert to fraction form
    30,406.53/45,591.17 = 10,687.35/x
  3. Step 3: Cross multiply
    30,406.53x = 45,591.17 × 10,687.35
  4. Step 4: Simplify right side
    30,406.53x = 487,248,737.26
  5. Step 5: Solve for x
    x = 487,248,737.26/30,406.53
  6. Step 6: Final answer
    x = 16,024.48

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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.