Home / 31,441.73-47,158.99-11,720.93

Finding the Fourth Proportional to 31,441.73, 47,158.99 and 11,720.93

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Solution

The fourth proportional to 31,441.73, 47,158.99 and 11,720.93 is: 17,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441.73 : 47,158.99 = 11,720.93 : x
  2. Step 2: Convert to fraction form
    31,441.73/47,158.99 = 11,720.93/x
  3. Step 3: Cross multiply
    31,441.73x = 47,158.99 × 11,720.93
  4. Step 4: Simplify right side
    31,441.73x = 552,746,955.56
  5. Step 5: Solve for x
    x = 552,746,955.56/31,441.73
  6. Step 6: Final answer
    x = 17,580.05

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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.