Home / 70,912.20-97,858.84-38,646.83

Finding the Fourth Proportional to 70,912.20, 97,858.84 and 38,646.83

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Solution

The fourth proportional to 70,912.20, 97,858.84 and 38,646.83 is: 53,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,912.20 : 97,858.84 = 38,646.83 : x
  2. Step 2: Convert to fraction form
    70,912.20/97,858.84 = 38,646.83/x
  3. Step 3: Cross multiply
    70,912.20x = 97,858.84 × 38,646.83
  4. Step 4: Simplify right side
    70,912.20x = 3,781,933,953.48
  5. Step 5: Solve for x
    x = 3,781,933,953.48/70,912.20
  6. Step 6: Final answer
    x = 53,332.63

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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.