Home / 31,530.35-47,298.25-9,041.13

Finding the Fourth Proportional to 31,530.35, 47,298.25 and 9,041.13

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Solution

The fourth proportional to 31,530.35, 47,298.25 and 9,041.13 is: 13,562.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530.35 : 47,298.25 = 9,041.13 : x
  2. Step 2: Convert to fraction form
    31,530.35/47,298.25 = 9,041.13/x
  3. Step 3: Cross multiply
    31,530.35x = 47,298.25 × 9,041.13
  4. Step 4: Simplify right side
    31,530.35x = 427,629,604.42
  5. Step 5: Solve for x
    x = 427,629,604.42/31,530.35
  6. Step 6: Final answer
    x = 13,562.48

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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.