Home / 31,657.80-47,487.50-10,881.16

Finding the Fourth Proportional to 31,657.80, 47,487.50 and 10,881.16

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Solution

The fourth proportional to 31,657.80, 47,487.50 and 10,881.16 is: 16,322.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.80 : 47,487.50 = 10,881.16 : x
  2. Step 2: Convert to fraction form
    31,657.80/47,487.50 = 10,881.16/x
  3. Step 3: Cross multiply
    31,657.80x = 47,487.50 × 10,881.16
  4. Step 4: Simplify right side
    31,657.80x = 516,719,085.50
  5. Step 5: Solve for x
    x = 516,719,085.50/31,657.80
  6. Step 6: Final answer
    x = 16,322.01

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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.