Home / 32,839.16-45,309.70-20,087.71

Finding the Fourth Proportional to 32,839.16, 45,309.70 and 20,087.71

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Solution

The fourth proportional to 32,839.16, 45,309.70 and 20,087.71 is: 27,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,839.16 : 45,309.70 = 20,087.71 : x
  2. Step 2: Convert to fraction form
    32,839.16/45,309.70 = 20,087.71/x
  3. Step 3: Cross multiply
    32,839.16x = 45,309.70 × 20,087.71
  4. Step 4: Simplify right side
    32,839.16x = 910,168,113.79
  5. Step 5: Solve for x
    x = 910,168,113.79/32,839.16
  6. Step 6: Final answer
    x = 27,715.94

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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.