Home / 51,254.55-70,719.21-31,110.93

Finding the Fourth Proportional to 51,254.55, 70,719.21 and 31,110.93

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Solution

The fourth proportional to 51,254.55, 70,719.21 and 31,110.93 is: 42,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,254.55 : 70,719.21 = 31,110.93 : x
  2. Step 2: Convert to fraction form
    51,254.55/70,719.21 = 31,110.93/x
  3. Step 3: Cross multiply
    51,254.55x = 70,719.21 × 31,110.93
  4. Step 4: Simplify right side
    51,254.55x = 2,200,140,391.97
  5. Step 5: Solve for x
    x = 2,200,140,391.97/51,254.55
  6. Step 6: Final answer
    x = 42,925.76

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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.