Home / 51,220.44-70,712.10-35,390.12

Finding the Fourth Proportional to 51,220.44, 70,712.10 and 35,390.12

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Solution

The fourth proportional to 51,220.44, 70,712.10 and 35,390.12 is: 48,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,220.44 : 70,712.10 = 35,390.12 : x
  2. Step 2: Convert to fraction form
    51,220.44/70,712.10 = 35,390.12/x
  3. Step 3: Cross multiply
    51,220.44x = 70,712.10 × 35,390.12
  4. Step 4: Simplify right side
    51,220.44x = 2,502,509,704.45
  5. Step 5: Solve for x
    x = 2,502,509,704.45/51,220.44
  6. Step 6: Final answer
    x = 48,857.64

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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.