Home / 32,438.20-44,768.70-18,290.76

Finding the Fourth Proportional to 32,438.20, 44,768.70 and 18,290.76

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Solution

The fourth proportional to 32,438.20, 44,768.70 and 18,290.76 is: 25,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,438.20 : 44,768.70 = 18,290.76 : x
  2. Step 2: Convert to fraction form
    32,438.20/44,768.70 = 18,290.76/x
  3. Step 3: Cross multiply
    32,438.20x = 44,768.70 × 18,290.76
  4. Step 4: Simplify right side
    32,438.20x = 818,853,547.21
  5. Step 5: Solve for x
    x = 818,853,547.21/32,438.20
  6. Step 6: Final answer
    x = 25,243.50

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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.