Home / 32,920.80-45,430.39-17,813.13

Finding the Fourth Proportional to 32,920.80, 45,430.39 and 17,813.13

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Solution

The fourth proportional to 32,920.80, 45,430.39 and 17,813.13 is: 24,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,920.80 : 45,430.39 = 17,813.13 : x
  2. Step 2: Convert to fraction form
    32,920.80/45,430.39 = 17,813.13/x
  3. Step 3: Cross multiply
    32,920.80x = 45,430.39 × 17,813.13
  4. Step 4: Simplify right side
    32,920.80x = 809,257,398.49
  5. Step 5: Solve for x
    x = 809,257,398.49/32,920.80
  6. Step 6: Final answer
    x = 24,581.95

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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.