Home / 31,868.98-47,809.54-15,230.32

Finding the Fourth Proportional to 31,868.98, 47,809.54 and 15,230.32

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Solution

The fourth proportional to 31,868.98, 47,809.54 and 15,230.32 is: 22,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.98 : 47,809.54 = 15,230.32 : x
  2. Step 2: Convert to fraction form
    31,868.98/47,809.54 = 15,230.32/x
  3. Step 3: Cross multiply
    31,868.98x = 47,809.54 × 15,230.32
  4. Step 4: Simplify right side
    31,868.98x = 728,154,593.25
  5. Step 5: Solve for x
    x = 728,154,593.25/31,868.98
  6. Step 6: Final answer
    x = 22,848.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.