Home / 75,548.96-113,327.48-19,389.55

Finding the Fourth Proportional to 75,548.96, 113,327.48 and 19,389.55

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Solution

The fourth proportional to 75,548.96, 113,327.48 and 19,389.55 is: 29,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,548.96 : 113,327.48 = 19,389.55 : x
  2. Step 2: Convert to fraction form
    75,548.96/113,327.48 = 19,389.55/x
  3. Step 3: Cross multiply
    75,548.96x = 113,327.48 × 19,389.55
  4. Step 4: Simplify right side
    75,548.96x = 2,197,368,839.83
  5. Step 5: Solve for x
    x = 2,197,368,839.83/75,548.96
  6. Step 6: Final answer
    x = 29,085.36

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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.