Home / 31,312.18-43,209.91-17,883.15

Finding the Fourth Proportional to 31,312.18, 43,209.91 and 17,883.15

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Solution

The fourth proportional to 31,312.18, 43,209.91 and 17,883.15 is: 24,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.18 : 43,209.91 = 17,883.15 : x
  2. Step 2: Convert to fraction form
    31,312.18/43,209.91 = 17,883.15/x
  3. Step 3: Cross multiply
    31,312.18x = 43,209.91 × 17,883.15
  4. Step 4: Simplify right side
    31,312.18x = 772,729,486.41
  5. Step 5: Solve for x
    x = 772,729,486.41/31,312.18
  6. Step 6: Final answer
    x = 24,678.24

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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.