Home / 51,345.34-70,857.11-30,124.96

Finding the Fourth Proportional to 51,345.34, 70,857.11 and 30,124.96

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Solution

The fourth proportional to 51,345.34, 70,857.11 and 30,124.96 is: 41,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345.34 : 70,857.11 = 30,124.96 : x
  2. Step 2: Convert to fraction form
    51,345.34/70,857.11 = 30,124.96/x
  3. Step 3: Cross multiply
    51,345.34x = 70,857.11 × 30,124.96
  4. Step 4: Simplify right side
    51,345.34x = 2,134,567,604.47
  5. Step 5: Solve for x
    x = 2,134,567,604.47/51,345.34
  6. Step 6: Final answer
    x = 41,572.76

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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.