Home / 30,752.38-42,438.45-17,323.90

Finding the Fourth Proportional to 30,752.38, 42,438.45 and 17,323.90

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Solution

The fourth proportional to 30,752.38, 42,438.45 and 17,323.90 is: 23,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752.38 : 42,438.45 = 17,323.90 : x
  2. Step 2: Convert to fraction form
    30,752.38/42,438.45 = 17,323.90/x
  3. Step 3: Cross multiply
    30,752.38x = 42,438.45 × 17,323.90
  4. Step 4: Simplify right side
    30,752.38x = 735,199,463.96
  5. Step 5: Solve for x
    x = 735,199,463.96/30,752.38
  6. Step 6: Final answer
    x = 23,907.08

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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.