Home / 51,120.77-70,557.14-29,905.25

Finding the Fourth Proportional to 51,120.77, 70,557.14 and 29,905.25

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Solution

The fourth proportional to 51,120.77, 70,557.14 and 29,905.25 is: 41,275.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,120.77 : 70,557.14 = 29,905.25 : x
  2. Step 2: Convert to fraction form
    51,120.77/70,557.14 = 29,905.25/x
  3. Step 3: Cross multiply
    51,120.77x = 70,557.14 × 29,905.25
  4. Step 4: Simplify right side
    51,120.77x = 2,110,028,632.96
  5. Step 5: Solve for x
    x = 2,110,028,632.96/51,120.77
  6. Step 6: Final answer
    x = 41,275.37

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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.