Home / 51,220.80-70,712.55-35,390.34

Finding the Fourth Proportional to 51,220.80, 70,712.55 and 35,390.34

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Solution

The fourth proportional to 51,220.80, 70,712.55 and 35,390.34 is: 48,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,220.80 : 70,712.55 = 35,390.34 : x
  2. Step 2: Convert to fraction form
    51,220.80/70,712.55 = 35,390.34/x
  3. Step 3: Cross multiply
    51,220.80x = 70,712.55 × 35,390.34
  4. Step 4: Simplify right side
    51,220.80x = 2,502,541,186.77
  5. Step 5: Solve for x
    x = 2,502,541,186.77/51,220.80
  6. Step 6: Final answer
    x = 48,857.91

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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.