Home / 40,280.52-55,587.08-22,377.20

Finding the Fourth Proportional to 40,280.52, 55,587.08 and 22,377.20

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Solution

The fourth proportional to 40,280.52, 55,587.08 and 22,377.20 is: 30,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.52 : 55,587.08 = 22,377.20 : x
  2. Step 2: Convert to fraction form
    40,280.52/55,587.08 = 22,377.20/x
  3. Step 3: Cross multiply
    40,280.52x = 55,587.08 × 22,377.20
  4. Step 4: Simplify right side
    40,280.52x = 1,243,882,928.64
  5. Step 5: Solve for x
    x = 1,243,882,928.64/40,280.52
  6. Step 6: Final answer
    x = 30,880.51

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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.