Home / 70,451.31-97,222.64-38,620.35

Finding the Fourth Proportional to 70,451.31, 97,222.64 and 38,620.35

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Solution

The fourth proportional to 70,451.31, 97,222.64 and 38,620.35 is: 53,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,451.31 : 97,222.64 = 38,620.35 : x
  2. Step 2: Convert to fraction form
    70,451.31/97,222.64 = 38,620.35/x
  3. Step 3: Cross multiply
    70,451.31x = 97,222.64 × 38,620.35
  4. Step 4: Simplify right side
    70,451.31x = 3,754,772,191.62
  5. Step 5: Solve for x
    x = 3,754,772,191.62/70,451.31
  6. Step 6: Final answer
    x = 53,295.99

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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.