Home / 60,913.28-91,369.52-31,339.36

Finding the Fourth Proportional to 60,913.28, 91,369.52 and 31,339.36

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Solution

The fourth proportional to 60,913.28, 91,369.52 and 31,339.36 is: 47,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,913.28 : 91,369.52 = 31,339.36 : x
  2. Step 2: Convert to fraction form
    60,913.28/91,369.52 = 31,339.36/x
  3. Step 3: Cross multiply
    60,913.28x = 91,369.52 × 31,339.36
  4. Step 4: Simplify right side
    60,913.28x = 2,863,462,280.31
  5. Step 5: Solve for x
    x = 2,863,462,280.31/60,913.28
  6. Step 6: Final answer
    x = 47,008.83

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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.