Home / 31,864.07-43,973.55-18,254.55

Finding the Fourth Proportional to 31,864.07, 43,973.55 and 18,254.55

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Solution

The fourth proportional to 31,864.07, 43,973.55 and 18,254.55 is: 25,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864.07 : 43,973.55 = 18,254.55 : x
  2. Step 2: Convert to fraction form
    31,864.07/43,973.55 = 18,254.55/x
  3. Step 3: Cross multiply
    31,864.07x = 43,973.55 × 18,254.55
  4. Step 4: Simplify right side
    31,864.07x = 802,717,367.15
  5. Step 5: Solve for x
    x = 802,717,367.15/31,864.07
  6. Step 6: Final answer
    x = 25,191.93

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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.