Home / 31,225.49-43,090.11-17,801.07

Finding the Fourth Proportional to 31,225.49, 43,090.11 and 17,801.07

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Solution

The fourth proportional to 31,225.49, 43,090.11 and 17,801.07 is: 24,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,225.49 : 43,090.11 = 17,801.07 : x
  2. Step 2: Convert to fraction form
    31,225.49/43,090.11 = 17,801.07/x
  3. Step 3: Cross multiply
    31,225.49x = 43,090.11 × 17,801.07
  4. Step 4: Simplify right side
    31,225.49x = 767,050,064.42
  5. Step 5: Solve for x
    x = 767,050,064.42/31,225.49
  6. Step 6: Final answer
    x = 24,564.87

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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.