Home / 48,347.28-72,514.71-13,289.67

Finding the Fourth Proportional to 48,347.28, 72,514.71 and 13,289.67

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Solution

The fourth proportional to 48,347.28, 72,514.71 and 13,289.67 is: 19,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,347.28 : 72,514.71 = 13,289.67 : x
  2. Step 2: Convert to fraction form
    48,347.28/72,514.71 = 13,289.67/x
  3. Step 3: Cross multiply
    48,347.28x = 72,514.71 × 13,289.67
  4. Step 4: Simplify right side
    48,347.28x = 963,696,566.05
  5. Step 5: Solve for x
    x = 963,696,566.05/48,347.28
  6. Step 6: Final answer
    x = 19,932.80

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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.