Home / 52,287.28-78,429.69-12,844.33

Finding the Fourth Proportional to 52,287.28, 78,429.69 and 12,844.33

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Solution

The fourth proportional to 52,287.28, 78,429.69 and 12,844.33 is: 19,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,287.28 : 78,429.69 = 12,844.33 : x
  2. Step 2: Convert to fraction form
    52,287.28/78,429.69 = 12,844.33/x
  3. Step 3: Cross multiply
    52,287.28x = 78,429.69 × 12,844.33
  4. Step 4: Simplify right side
    52,287.28x = 1,007,376,820.16
  5. Step 5: Solve for x
    x = 1,007,376,820.16/52,287.28
  6. Step 6: Final answer
    x = 19,266.19

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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.