Home / 31,570.64-47,341.38-11,835.08

Finding the Fourth Proportional to 31,570.64, 47,341.38 and 11,835.08

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Solution

The fourth proportional to 31,570.64, 47,341.38 and 11,835.08 is: 17,747.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570.64 : 47,341.38 = 11,835.08 : x
  2. Step 2: Convert to fraction form
    31,570.64/47,341.38 = 11,835.08/x
  3. Step 3: Cross multiply
    31,570.64x = 47,341.38 × 11,835.08
  4. Step 4: Simplify right side
    31,570.64x = 560,289,019.61
  5. Step 5: Solve for x
    x = 560,289,019.61/31,570.64
  6. Step 6: Final answer
    x = 17,747.15

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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.