Home / 31,460.12-47,122.12-14,795.20

Finding the Fourth Proportional to 31,460.12, 47,122.12 and 14,795.20

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Solution

The fourth proportional to 31,460.12, 47,122.12 and 14,795.20 is: 22,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.12 : 47,122.12 = 14,795.20 : x
  2. Step 2: Convert to fraction form
    31,460.12/47,122.12 = 14,795.20/x
  3. Step 3: Cross multiply
    31,460.12x = 47,122.12 × 14,795.20
  4. Step 4: Simplify right side
    31,460.12x = 697,181,189.82
  5. Step 5: Solve for x
    x = 697,181,189.82/31,460.12
  6. Step 6: Final answer
    x = 22,160.79

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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.