Home / 31,617.06-47,425.04-9,430.50

Finding the Fourth Proportional to 31,617.06, 47,425.04 and 9,430.50

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Solution

The fourth proportional to 31,617.06, 47,425.04 and 9,430.50 is: 14,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,617.06 : 47,425.04 = 9,430.50 : x
  2. Step 2: Convert to fraction form
    31,617.06/47,425.04 = 9,430.50/x
  3. Step 3: Cross multiply
    31,617.06x = 47,425.04 × 9,430.50
  4. Step 4: Simplify right side
    31,617.06x = 447,241,839.72
  5. Step 5: Solve for x
    x = 447,241,839.72/31,617.06
  6. Step 6: Final answer
    x = 14,145.59

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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.