Home / 31,587.45-43,587.14-17,436.75

Finding the Fourth Proportional to 31,587.45, 43,587.14 and 17,436.75

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Solution

The fourth proportional to 31,587.45, 43,587.14 and 17,436.75 is: 24,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.45 : 43,587.14 = 17,436.75 : x
  2. Step 2: Convert to fraction form
    31,587.45/43,587.14 = 17,436.75/x
  3. Step 3: Cross multiply
    31,587.45x = 43,587.14 × 17,436.75
  4. Step 4: Simplify right side
    31,587.45x = 760,018,063.40
  5. Step 5: Solve for x
    x = 760,018,063.40/31,587.45
  6. Step 6: Final answer
    x = 24,060.76

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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.