Home / 34,582.63-47,728.56-19,478.23

Finding the Fourth Proportional to 34,582.63, 47,728.56 and 19,478.23

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Solution

The fourth proportional to 34,582.63, 47,728.56 and 19,478.23 is: 26,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,582.63 : 47,728.56 = 19,478.23 : x
  2. Step 2: Convert to fraction form
    34,582.63/47,728.56 = 19,478.23/x
  3. Step 3: Cross multiply
    34,582.63x = 47,728.56 × 19,478.23
  4. Step 4: Simplify right side
    34,582.63x = 929,667,869.25
  5. Step 5: Solve for x
    x = 929,667,869.25/34,582.63
  6. Step 6: Final answer
    x = 26,882.51

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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.