Home / 53,251-79,869.56-15,810.32

Finding the Fourth Proportional to 53,251, 79,869.56 and 15,810.32

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Solution

The fourth proportional to 53,251, 79,869.56 and 15,810.32 is: 23,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,251 : 79,869.56 = 15,810.32 : x
  2. Step 2: Convert to fraction form
    53,251/79,869.56 = 15,810.32/x
  3. Step 3: Cross multiply
    53,251x = 79,869.56 × 15,810.32
  4. Step 4: Simplify right side
    53,251x = 1,262,763,301.86
  5. Step 5: Solve for x
    x = 1,262,763,301.86/53,251
  6. Step 6: Final answer
    x = 23,713.42

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1.5x scale

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.