Home / 32,943.11-45,460.65-18,407.42

Finding the Fourth Proportional to 32,943.11, 45,460.65 and 18,407.42

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Solution

The fourth proportional to 32,943.11, 45,460.65 and 18,407.42 is: 25,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,943.11 : 45,460.65 = 18,407.42 : x
  2. Step 2: Convert to fraction form
    32,943.11/45,460.65 = 18,407.42/x
  3. Step 3: Cross multiply
    32,943.11x = 45,460.65 × 18,407.42
  4. Step 4: Simplify right side
    32,943.11x = 836,813,050.72
  5. Step 5: Solve for x
    x = 836,813,050.72/32,943.11
  6. Step 6: Final answer
    x = 25,401.77

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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.