Home / 70,799.85-97,706.55-38,971.71

Finding the Fourth Proportional to 70,799.85, 97,706.55 and 38,971.71

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Solution

The fourth proportional to 70,799.85, 97,706.55 and 38,971.71 is: 53,782.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,799.85 : 97,706.55 = 38,971.71 : x
  2. Step 2: Convert to fraction form
    70,799.85/97,706.55 = 38,971.71/x
  3. Step 3: Cross multiply
    70,799.85x = 97,706.55 × 38,971.71
  4. Step 4: Simplify right side
    70,799.85x = 3,807,791,331.70
  5. Step 5: Solve for x
    x = 3,807,791,331.70/70,799.85
  6. Step 6: Final answer
    x = 53,782.48

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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.