Home / 51,179.08-70,625.01-28,516.90

Finding the Fourth Proportional to 51,179.08, 70,625.01 and 28,516.90

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Solution

The fourth proportional to 51,179.08, 70,625.01 and 28,516.90 is: 39,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.08 : 70,625.01 = 28,516.90 : x
  2. Step 2: Convert to fraction form
    51,179.08/70,625.01 = 28,516.90/x
  3. Step 3: Cross multiply
    51,179.08x = 70,625.01 × 28,516.90
  4. Step 4: Simplify right side
    51,179.08x = 2,014,006,347.67
  5. Step 5: Solve for x
    x = 2,014,006,347.67/51,179.08
  6. Step 6: Final answer
    x = 39,352.14

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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.