Home / 31,373.85-47,057.33-9,187.45

Finding the Fourth Proportional to 31,373.85, 47,057.33 and 9,187.45

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Solution

The fourth proportional to 31,373.85, 47,057.33 and 9,187.45 is: 13,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.85 : 47,057.33 = 9,187.45 : x
  2. Step 2: Convert to fraction form
    31,373.85/47,057.33 = 9,187.45/x
  3. Step 3: Cross multiply
    31,373.85x = 47,057.33 × 9,187.45
  4. Step 4: Simplify right side
    31,373.85x = 432,336,866.51
  5. Step 5: Solve for x
    x = 432,336,866.51/31,373.85
  6. Step 6: Final answer
    x = 13,780.17

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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.