Home / 40,280.12-55,587.33-22,376.79

Finding the Fourth Proportional to 40,280.12, 55,587.33 and 22,376.79

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Solution

The fourth proportional to 40,280.12, 55,587.33 and 22,376.79 is: 30,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.12 : 55,587.33 = 22,376.79 : x
  2. Step 2: Convert to fraction form
    40,280.12/55,587.33 = 22,376.79/x
  3. Step 3: Cross multiply
    40,280.12x = 55,587.33 × 22,376.79
  4. Step 4: Simplify right side
    40,280.12x = 1,243,866,010.07
  5. Step 5: Solve for x
    x = 1,243,866,010.07/40,280.12
  6. Step 6: Final answer
    x = 30,880.39

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1.5x scale

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.