Home / 32,721.12-45,159.84-18,570.96

Finding the Fourth Proportional to 32,721.12, 45,159.84 and 18,570.96

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Solution

The fourth proportional to 32,721.12, 45,159.84 and 18,570.96 is: 25,630.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,721.12 : 45,159.84 = 18,570.96 : x
  2. Step 2: Convert to fraction form
    32,721.12/45,159.84 = 18,570.96/x
  3. Step 3: Cross multiply
    32,721.12x = 45,159.84 × 18,570.96
  4. Step 4: Simplify right side
    32,721.12x = 838,661,582.25
  5. Step 5: Solve for x
    x = 838,661,582.25/32,721.12
  6. Step 6: Final answer
    x = 25,630.59

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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.