Home / 31,470.92-47,212.86-26,312.84

Finding the Fourth Proportional to 31,470.92, 47,212.86 and 26,312.84

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Solution

The fourth proportional to 31,470.92, 47,212.86 and 26,312.84 is: 39,474.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.92 : 47,212.86 = 26,312.84 : x
  2. Step 2: Convert to fraction form
    31,470.92/47,212.86 = 26,312.84/x
  3. Step 3: Cross multiply
    31,470.92x = 47,212.86 × 26,312.84
  4. Step 4: Simplify right side
    31,470.92x = 1,242,304,431.12
  5. Step 5: Solve for x
    x = 1,242,304,431.12/31,470.92
  6. Step 6: Final answer
    x = 39,474.68

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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.