Home / 60,989.08-91,464.18-19,426.36

Finding the Fourth Proportional to 60,989.08, 91,464.18 and 19,426.36

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Solution

The fourth proportional to 60,989.08, 91,464.18 and 19,426.36 is: 29,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,989.08 : 91,464.18 = 19,426.36 : x
  2. Step 2: Convert to fraction form
    60,989.08/91,464.18 = 19,426.36/x
  3. Step 3: Cross multiply
    60,989.08x = 91,464.18 × 19,426.36
  4. Step 4: Simplify right side
    60,989.08x = 1,776,816,087.78
  5. Step 5: Solve for x
    x = 1,776,816,087.78/60,989.08
  6. Step 6: Final answer
    x = 29,133.35

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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.