Home / 52,260.65-78,422.13-18,983.33

Finding the Fourth Proportional to 52,260.65, 78,422.13 and 18,983.33

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Solution

The fourth proportional to 52,260.65, 78,422.13 and 18,983.33 is: 28,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.65 : 78,422.13 = 18,983.33 : x
  2. Step 2: Convert to fraction form
    52,260.65/78,422.13 = 18,983.33/x
  3. Step 3: Cross multiply
    52,260.65x = 78,422.13 × 18,983.33
  4. Step 4: Simplify right side
    52,260.65x = 1,488,712,780.98
  5. Step 5: Solve for x
    x = 1,488,712,780.98/52,260.65
  6. Step 6: Final answer
    x = 28,486.31

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1.5x scale

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.