Home / 30,652.32-42,304.11-18,713.10

Finding the Fourth Proportional to 30,652.32, 42,304.11 and 18,713.10

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Solution

The fourth proportional to 30,652.32, 42,304.11 and 18,713.10 is: 25,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,652.32 : 42,304.11 = 18,713.10 : x
  2. Step 2: Convert to fraction form
    30,652.32/42,304.11 = 18,713.10/x
  3. Step 3: Cross multiply
    30,652.32x = 42,304.11 × 18,713.10
  4. Step 4: Simplify right side
    30,652.32x = 791,641,040.84
  5. Step 5: Solve for x
    x = 791,641,040.84/30,652.32
  6. Step 6: Final answer
    x = 25,826.46

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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.