Home / 31,536.42-43,526.57-18,116.88

Finding the Fourth Proportional to 31,536.42, 43,526.57 and 18,116.88

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Solution

The fourth proportional to 31,536.42, 43,526.57 and 18,116.88 is: 25,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.42 : 43,526.57 = 18,116.88 : x
  2. Step 2: Convert to fraction form
    31,536.42/43,526.57 = 18,116.88/x
  3. Step 3: Cross multiply
    31,536.42x = 43,526.57 × 18,116.88
  4. Step 4: Simplify right side
    31,536.42x = 788,565,554.92
  5. Step 5: Solve for x
    x = 788,565,554.92/31,536.42
  6. Step 6: Final answer
    x = 25,004.92

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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.