Home / 31,688.35-43,729.92-17,541.19

Finding the Fourth Proportional to 31,688.35, 43,729.92 and 17,541.19

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Solution

The fourth proportional to 31,688.35, 43,729.92 and 17,541.19 is: 24,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,688.35 : 43,729.92 = 17,541.19 : x
  2. Step 2: Convert to fraction form
    31,688.35/43,729.92 = 17,541.19/x
  3. Step 3: Cross multiply
    31,688.35x = 43,729.92 × 17,541.19
  4. Step 4: Simplify right side
    31,688.35x = 767,074,835.40
  5. Step 5: Solve for x
    x = 767,074,835.40/31,688.35
  6. Step 6: Final answer
    x = 24,206.84

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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.