Home / 55,875.20-83,812.80-14,322.20

Finding the Fourth Proportional to 55,875.20, 83,812.80 and 14,322.20

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Solution

The fourth proportional to 55,875.20, 83,812.80 and 14,322.20 is: 21,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,875.20 : 83,812.80 = 14,322.20 : x
  2. Step 2: Convert to fraction form
    55,875.20/83,812.80 = 14,322.20/x
  3. Step 3: Cross multiply
    55,875.20x = 83,812.80 × 14,322.20
  4. Step 4: Simplify right side
    55,875.20x = 1,200,383,684.16
  5. Step 5: Solve for x
    x = 1,200,383,684.16/55,875.20
  6. Step 6: Final answer
    x = 21,483.30

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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.