Home / 70,381.21-97,126.10-38,550.64

Finding the Fourth Proportional to 70,381.21, 97,126.10 and 38,550.64

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Solution

The fourth proportional to 70,381.21, 97,126.10 and 38,550.64 is: 53,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,381.21 : 97,126.10 = 38,550.64 : x
  2. Step 2: Convert to fraction form
    70,381.21/97,126.10 = 38,550.64/x
  3. Step 3: Cross multiply
    70,381.21x = 97,126.10 × 38,550.64
  4. Step 4: Simplify right side
    70,381.21x = 3,744,273,315.70
  5. Step 5: Solve for x
    x = 3,744,273,315.70/70,381.21
  6. Step 6: Final answer
    x = 53,199.90

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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.