Home / 32,780.66-45,253.78-19,356.12

Finding the Fourth Proportional to 32,780.66, 45,253.78 and 19,356.12

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Solution

The fourth proportional to 32,780.66, 45,253.78 and 19,356.12 is: 26,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.66 : 45,253.78 = 19,356.12 : x
  2. Step 2: Convert to fraction form
    32,780.66/45,253.78 = 19,356.12/x
  3. Step 3: Cross multiply
    32,780.66x = 45,253.78 × 19,356.12
  4. Step 4: Simplify right side
    32,780.66x = 875,937,596.13
  5. Step 5: Solve for x
    x = 875,937,596.13/32,780.66
  6. Step 6: Final answer
    x = 26,721.17

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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.