Home / 31,559.10-47,341.08-9,372.12

Finding the Fourth Proportional to 31,559.10, 47,341.08 and 9,372.12

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Solution

The fourth proportional to 31,559.10, 47,341.08 and 9,372.12 is: 14,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,559.10 : 47,341.08 = 9,372.12 : x
  2. Step 2: Convert to fraction form
    31,559.10/47,341.08 = 9,372.12/x
  3. Step 3: Cross multiply
    31,559.10x = 47,341.08 × 9,372.12
  4. Step 4: Simplify right side
    31,559.10x = 443,686,282.69
  5. Step 5: Solve for x
    x = 443,686,282.69/31,559.10
  6. Step 6: Final answer
    x = 14,058.90

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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.