Home / 40,278.32-55,591.35-23,280.21

Finding the Fourth Proportional to 40,278.32, 55,591.35 and 23,280.21

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Solution

The fourth proportional to 40,278.32, 55,591.35 and 23,280.21 is: 32,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.32 : 55,591.35 = 23,280.21 : x
  2. Step 2: Convert to fraction form
    40,278.32/55,591.35 = 23,280.21/x
  3. Step 3: Cross multiply
    40,278.32x = 55,591.35 × 23,280.21
  4. Step 4: Simplify right side
    40,278.32x = 1,294,178,302.18
  5. Step 5: Solve for x
    x = 1,294,178,302.18/40,278.32
  6. Step 6: Final answer
    x = 32,130.89

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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.