Home / 32,871.80-45,363.57-18,724.34

Finding the Fourth Proportional to 32,871.80, 45,363.57 and 18,724.34

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Solution

The fourth proportional to 32,871.80, 45,363.57 and 18,724.34 is: 25,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,871.80 : 45,363.57 = 18,724.34 : x
  2. Step 2: Convert to fraction form
    32,871.80/45,363.57 = 18,724.34/x
  3. Step 3: Cross multiply
    32,871.80x = 45,363.57 × 18,724.34
  4. Step 4: Simplify right side
    32,871.80x = 849,402,908.29
  5. Step 5: Solve for x
    x = 849,402,908.29/32,871.80
  6. Step 6: Final answer
    x = 25,839.87

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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.