Home / 30,746.06-42,438.97-18,002.23

Finding the Fourth Proportional to 30,746.06, 42,438.97 and 18,002.23

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Solution

The fourth proportional to 30,746.06, 42,438.97 and 18,002.23 is: 24,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746.06 : 42,438.97 = 18,002.23 : x
  2. Step 2: Convert to fraction form
    30,746.06/42,438.97 = 18,002.23/x
  3. Step 3: Cross multiply
    30,746.06x = 42,438.97 × 18,002.23
  4. Step 4: Simplify right side
    30,746.06x = 763,996,098.90
  5. Step 5: Solve for x
    x = 763,996,098.90/30,746.06
  6. Step 6: Final answer
    x = 24,848.59

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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.