Home / 31,570.38-47,363.40-9,383.72

Finding the Fourth Proportional to 31,570.38, 47,363.40 and 9,383.72

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Solution

The fourth proportional to 31,570.38, 47,363.40 and 9,383.72 is: 14,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570.38 : 47,363.40 = 9,383.72 : x
  2. Step 2: Convert to fraction form
    31,570.38/47,363.40 = 9,383.72/x
  3. Step 3: Cross multiply
    31,570.38x = 47,363.40 × 9,383.72
  4. Step 4: Simplify right side
    31,570.38x = 444,444,647.03
  5. Step 5: Solve for x
    x = 444,444,647.03/31,570.38
  6. Step 6: Final answer
    x = 14,077.90

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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.