Home / 32,868.32-45,354.65-20,124.71

Finding the Fourth Proportional to 32,868.32, 45,354.65 and 20,124.71

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Solution

The fourth proportional to 32,868.32, 45,354.65 and 20,124.71 is: 27,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,868.32 : 45,354.65 = 20,124.71 : x
  2. Step 2: Convert to fraction form
    32,868.32/45,354.65 = 20,124.71/x
  3. Step 3: Cross multiply
    32,868.32x = 45,354.65 × 20,124.71
  4. Step 4: Simplify right side
    32,868.32x = 912,748,851.00
  5. Step 5: Solve for x
    x = 912,748,851.00/32,868.32
  6. Step 6: Final answer
    x = 27,769.87

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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.