Home / 70,477.35-97,258.23-38,645.70

Finding the Fourth Proportional to 70,477.35, 97,258.23 and 38,645.70

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Solution

The fourth proportional to 70,477.35, 97,258.23 and 38,645.70 is: 53,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,477.35 : 97,258.23 = 38,645.70 : x
  2. Step 2: Convert to fraction form
    70,477.35/97,258.23 = 38,645.70/x
  3. Step 3: Cross multiply
    70,477.35x = 97,258.23 × 38,645.70
  4. Step 4: Simplify right side
    70,477.35x = 3,758,612,379.11
  5. Step 5: Solve for x
    x = 3,758,612,379.11/70,477.35
  6. Step 6: Final answer
    x = 53,330.78

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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.