Home / 31,615.32-47,446.38-14,975.40

Finding the Fourth Proportional to 31,615.32, 47,446.38 and 14,975.40

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Solution

The fourth proportional to 31,615.32, 47,446.38 and 14,975.40 is: 22,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,615.32 : 47,446.38 = 14,975.40 : x
  2. Step 2: Convert to fraction form
    31,615.32/47,446.38 = 14,975.40/x
  3. Step 3: Cross multiply
    31,615.32x = 47,446.38 × 14,975.40
  4. Step 4: Simplify right side
    31,615.32x = 710,528,519.05
  5. Step 5: Solve for x
    x = 710,528,519.05/31,615.32
  6. Step 6: Final answer
    x = 22,474.18

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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.