Home / 60,886.08-91,309.68-19,323.36

Finding the Fourth Proportional to 60,886.08, 91,309.68 and 19,323.36

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Solution

The fourth proportional to 60,886.08, 91,309.68 and 19,323.36 is: 28,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,886.08 : 91,309.68 = 19,323.36 : x
  2. Step 2: Convert to fraction form
    60,886.08/91,309.68 = 19,323.36/x
  3. Step 3: Cross multiply
    60,886.08x = 91,309.68 × 19,323.36
  4. Step 4: Simplify right side
    60,886.08x = 1,764,409,818.12
  5. Step 5: Solve for x
    x = 1,764,409,818.12/60,886.08
  6. Step 6: Final answer
    x = 28,978.87

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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.