Home / 52,235.30-78,360.15-18,947.30

Finding the Fourth Proportional to 52,235.30, 78,360.15 and 18,947.30

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Solution

The fourth proportional to 52,235.30, 78,360.15 and 18,947.30 is: 28,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,235.30 : 78,360.15 = 18,947.30 : x
  2. Step 2: Convert to fraction form
    52,235.30/78,360.15 = 18,947.30/x
  3. Step 3: Cross multiply
    52,235.30x = 78,360.15 × 18,947.30
  4. Step 4: Simplify right side
    52,235.30x = 1,484,713,270.10
  5. Step 5: Solve for x
    x = 1,484,713,270.10/52,235.30
  6. Step 6: Final answer
    x = 28,423.56

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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.