Home / 31,533.67-43,522.77-18,114.13

Finding the Fourth Proportional to 31,533.67, 43,522.77 and 18,114.13

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Solution

The fourth proportional to 31,533.67, 43,522.77 and 18,114.13 is: 25,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.67 : 43,522.77 = 18,114.13 : x
  2. Step 2: Convert to fraction form
    31,533.67/43,522.77 = 18,114.13/x
  3. Step 3: Cross multiply
    31,533.67x = 43,522.77 × 18,114.13
  4. Step 4: Simplify right side
    31,533.67x = 788,377,113.74
  5. Step 5: Solve for x
    x = 788,377,113.74/31,533.67
  6. Step 6: Final answer
    x = 25,001.12

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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.