Home / 38,421.54-53,026.65-22,519.62

Finding the Fourth Proportional to 38,421.54, 53,026.65 and 22,519.62

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Solution

The fourth proportional to 38,421.54, 53,026.65 and 22,519.62 is: 31,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.54 : 53,026.65 = 22,519.62 : x
  2. Step 2: Convert to fraction form
    38,421.54/53,026.65 = 22,519.62/x
  3. Step 3: Cross multiply
    38,421.54x = 53,026.65 × 22,519.62
  4. Step 4: Simplify right side
    38,421.54x = 1,194,140,007.87
  5. Step 5: Solve for x
    x = 1,194,140,007.87/38,421.54
  6. Step 6: Final answer
    x = 31,079.96

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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.