Home / 40,259.48-60,389.14-10,680.28

Finding the Fourth Proportional to 40,259.48, 60,389.14 and 10,680.28

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Solution

The fourth proportional to 40,259.48, 60,389.14 and 10,680.28 is: 16,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,259.48 : 60,389.14 = 10,680.28 : x
  2. Step 2: Convert to fraction form
    40,259.48/60,389.14 = 10,680.28/x
  3. Step 3: Cross multiply
    40,259.48x = 60,389.14 × 10,680.28
  4. Step 4: Simplify right side
    40,259.48x = 644,972,924.16
  5. Step 5: Solve for x
    x = 644,972,924.16/40,259.48
  6. Step 6: Final answer
    x = 16,020.40

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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.