Home / 31,988.34-44,152.70-18,563.92

Finding the Fourth Proportional to 31,988.34, 44,152.70 and 18,563.92

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Solution

The fourth proportional to 31,988.34, 44,152.70 and 18,563.92 is: 25,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.34 : 44,152.70 = 18,563.92 : x
  2. Step 2: Convert to fraction form
    31,988.34/44,152.70 = 18,563.92/x
  3. Step 3: Cross multiply
    31,988.34x = 44,152.70 × 18,563.92
  4. Step 4: Simplify right side
    31,988.34x = 819,646,987.38
  5. Step 5: Solve for x
    x = 819,646,987.38/31,988.34
  6. Step 6: Final answer
    x = 25,623.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.