Home / 36,860.72-55,307.40-19,326.36

Finding the Fourth Proportional to 36,860.72, 55,307.40 and 19,326.36

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Solution

The fourth proportional to 36,860.72, 55,307.40 and 19,326.36 is: 28,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,860.72 : 55,307.40 = 19,326.36 : x
  2. Step 2: Convert to fraction form
    36,860.72/55,307.40 = 19,326.36/x
  3. Step 3: Cross multiply
    36,860.72x = 55,307.40 × 19,326.36
  4. Step 4: Simplify right side
    36,860.72x = 1,068,890,723.06
  5. Step 5: Solve for x
    x = 1,068,890,723.06/36,860.72
  6. Step 6: Final answer
    x = 28,998.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.