Home / 51,174.47-70,622.72-29,664.92

Finding the Fourth Proportional to 51,174.47, 70,622.72 and 29,664.92

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Solution

The fourth proportional to 51,174.47, 70,622.72 and 29,664.92 is: 40,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,174.47 : 70,622.72 = 29,664.92 : x
  2. Step 2: Convert to fraction form
    51,174.47/70,622.72 = 29,664.92/x
  3. Step 3: Cross multiply
    51,174.47x = 70,622.72 × 29,664.92
  4. Step 4: Simplify right side
    51,174.47x = 2,095,017,338.98
  5. Step 5: Solve for x
    x = 2,095,017,338.98/51,174.47
  6. Step 6: Final answer
    x = 40,938.72

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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.