Home / 40,386.98-60,582.79-12,307.95

Finding the Fourth Proportional to 40,386.98, 60,582.79 and 12,307.95

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Solution

The fourth proportional to 40,386.98, 60,582.79 and 12,307.95 is: 18,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.98 : 60,582.79 = 12,307.95 : x
  2. Step 2: Convert to fraction form
    40,386.98/60,582.79 = 12,307.95/x
  3. Step 3: Cross multiply
    40,386.98x = 60,582.79 × 12,307.95
  4. Step 4: Simplify right side
    40,386.98x = 745,649,896.33
  5. Step 5: Solve for x
    x = 745,649,896.33/40,386.98
  6. Step 6: Final answer
    x = 18,462.63

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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.