Home / 34,582.71-47,728.68-19,478.34

Finding the Fourth Proportional to 34,582.71, 47,728.68 and 19,478.34

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Solution

The fourth proportional to 34,582.71, 47,728.68 and 19,478.34 is: 26,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,582.71 : 47,728.68 = 19,478.34 : x
  2. Step 2: Convert to fraction form
    34,582.71/47,728.68 = 19,478.34/x
  3. Step 3: Cross multiply
    34,582.71x = 47,728.68 × 19,478.34
  4. Step 4: Simplify right side
    34,582.71x = 929,675,218.15
  5. Step 5: Solve for x
    x = 929,675,218.15/34,582.71
  6. Step 6: Final answer
    x = 26,882.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.