Home / 70,428.45-97,189.07-38,596.77

Finding the Fourth Proportional to 70,428.45, 97,189.07 and 38,596.77

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Solution

The fourth proportional to 70,428.45, 97,189.07 and 38,596.77 is: 53,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,428.45 : 97,189.07 = 38,596.77 : x
  2. Step 2: Convert to fraction form
    70,428.45/97,189.07 = 38,596.77/x
  3. Step 3: Cross multiply
    70,428.45x = 97,189.07 × 38,596.77
  4. Step 4: Simplify right side
    70,428.45x = 3,751,183,988.32
  5. Step 5: Solve for x
    x = 3,751,183,988.32/70,428.45
  6. Step 6: Final answer
    x = 53,262.34

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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.