Home / 43,242.20-59,643.56-28,106.94

Finding the Fourth Proportional to 43,242.20, 59,643.56 and 28,106.94

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Solution

The fourth proportional to 43,242.20, 59,643.56 and 28,106.94 is: 38,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,242.20 : 59,643.56 = 28,106.94 : x
  2. Step 2: Convert to fraction form
    43,242.20/59,643.56 = 28,106.94/x
  3. Step 3: Cross multiply
    43,242.20x = 59,643.56 × 28,106.94
  4. Step 4: Simplify right side
    43,242.20x = 1,676,398,032.57
  5. Step 5: Solve for x
    x = 1,676,398,032.57/43,242.20
  6. Step 6: Final answer
    x = 38,767.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.