Home / 52,510.32-78,739.20-17,437.68

Finding the Fourth Proportional to 52,510.32, 78,739.20 and 17,437.68

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Solution

The fourth proportional to 52,510.32, 78,739.20 and 17,437.68 is: 26,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,510.32 : 78,739.20 = 17,437.68 : x
  2. Step 2: Convert to fraction form
    52,510.32/78,739.20 = 17,437.68/x
  3. Step 3: Cross multiply
    52,510.32x = 78,739.20 × 17,437.68
  4. Step 4: Simplify right side
    52,510.32x = 1,373,028,973.06
  5. Step 5: Solve for x
    x = 1,373,028,973.06/52,510.32
  6. Step 6: Final answer
    x = 26,147.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.