Home / 51,110.15-70,530.44-28,448.56

Finding the Fourth Proportional to 51,110.15, 70,530.44 and 28,448.56

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Solution

The fourth proportional to 51,110.15, 70,530.44 and 28,448.56 is: 39,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.15 : 70,530.44 = 28,448.56 : x
  2. Step 2: Convert to fraction form
    51,110.15/70,530.44 = 28,448.56/x
  3. Step 3: Cross multiply
    51,110.15x = 70,530.44 × 28,448.56
  4. Step 4: Simplify right side
    51,110.15x = 2,006,489,838.49
  5. Step 5: Solve for x
    x = 2,006,489,838.49/51,110.15
  6. Step 6: Final answer
    x = 39,258.14

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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.