Home / 34,148.93-47,117.50-20,719.87

Finding the Fourth Proportional to 34,148.93, 47,117.50 and 20,719.87

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Solution

The fourth proportional to 34,148.93, 47,117.50 and 20,719.87 is: 28,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,148.93 : 47,117.50 = 20,719.87 : x
  2. Step 2: Convert to fraction form
    34,148.93/47,117.50 = 20,719.87/x
  3. Step 3: Cross multiply
    34,148.93x = 47,117.50 × 20,719.87
  4. Step 4: Simplify right side
    34,148.93x = 976,268,305.13
  5. Step 5: Solve for x
    x = 976,268,305.13/34,148.93
  6. Step 6: Final answer
    x = 28,588.55

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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.