Home / 40,159.84-60,243.12-13,864.80

Finding the Fourth Proportional to 40,159.84, 60,243.12 and 13,864.80

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Solution

The fourth proportional to 40,159.84, 60,243.12 and 13,864.80 is: 20,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.84 : 60,243.12 = 13,864.80 : x
  2. Step 2: Convert to fraction form
    40,159.84/60,243.12 = 13,864.80/x
  3. Step 3: Cross multiply
    40,159.84x = 60,243.12 × 13,864.80
  4. Step 4: Simplify right side
    40,159.84x = 835,258,810.18
  5. Step 5: Solve for x
    x = 835,258,810.18/40,159.84
  6. Step 6: Final answer
    x = 20,798.36

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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.