Home / 32,780.55-45,243.06-19,351.02

Finding the Fourth Proportional to 32,780.55, 45,243.06 and 19,351.02

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Solution

The fourth proportional to 32,780.55, 45,243.06 and 19,351.02 is: 26,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,780.55 : 45,243.06 = 19,351.02 : x
  2. Step 2: Convert to fraction form
    32,780.55/45,243.06 = 19,351.02/x
  3. Step 3: Cross multiply
    32,780.55x = 45,243.06 × 19,351.02
  4. Step 4: Simplify right side
    32,780.55x = 875,499,358.92
  5. Step 5: Solve for x
    x = 875,499,358.92/32,780.55
  6. Step 6: Final answer
    x = 26,707.89

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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.