Home / 60,242.45-90,394.65-28,688.29

Finding the Fourth Proportional to 60,242.45, 90,394.65 and 28,688.29

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Solution

The fourth proportional to 60,242.45, 90,394.65 and 28,688.29 is: 43,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,242.45 : 90,394.65 = 28,688.29 : x
  2. Step 2: Convert to fraction form
    60,242.45/90,394.65 = 28,688.29/x
  3. Step 3: Cross multiply
    60,242.45x = 90,394.65 × 28,688.29
  4. Step 4: Simplify right side
    60,242.45x = 2,593,267,707.66
  5. Step 5: Solve for x
    x = 2,593,267,707.66/60,242.45
  6. Step 6: Final answer
    x = 43,047.19

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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.