Home / 31,970.11-44,118.85-18,549.31

Finding the Fourth Proportional to 31,970.11, 44,118.85 and 18,549.31

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Solution

The fourth proportional to 31,970.11, 44,118.85 and 18,549.31 is: 25,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,970.11 : 44,118.85 = 18,549.31 : x
  2. Step 2: Convert to fraction form
    31,970.11/44,118.85 = 18,549.31/x
  3. Step 3: Cross multiply
    31,970.11x = 44,118.85 × 18,549.31
  4. Step 4: Simplify right side
    31,970.11x = 818,374,004.90
  5. Step 5: Solve for x
    x = 818,374,004.90/31,970.11
  6. Step 6: Final answer
    x = 25,598.10

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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.