Home / 38,350.76-52,920.36-21,582.68

Finding the Fourth Proportional to 38,350.76, 52,920.36 and 21,582.68

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Solution

The fourth proportional to 38,350.76, 52,920.36 and 21,582.68 is: 29,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,350.76 : 52,920.36 = 21,582.68 : x
  2. Step 2: Convert to fraction form
    38,350.76/52,920.36 = 21,582.68/x
  3. Step 3: Cross multiply
    38,350.76x = 52,920.36 × 21,582.68
  4. Step 4: Simplify right side
    38,350.76x = 1,142,163,195.36
  5. Step 5: Solve for x
    x = 1,142,163,195.36/38,350.76
  6. Step 6: Final answer
    x = 29,782.02

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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.