Home / 70,381.30-97,126.20-38,550.28

Finding the Fourth Proportional to 70,381.30, 97,126.20 and 38,550.28

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Solution

The fourth proportional to 70,381.30, 97,126.20 and 38,550.28 is: 53,199.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,381.30 : 97,126.20 = 38,550.28 : x
  2. Step 2: Convert to fraction form
    70,381.30/97,126.20 = 38,550.28/x
  3. Step 3: Cross multiply
    70,381.30x = 97,126.20 × 38,550.28
  4. Step 4: Simplify right side
    70,381.30x = 3,744,242,205.34
  5. Step 5: Solve for x
    x = 3,744,242,205.34/70,381.30
  6. Step 6: Final answer
    x = 53,199.39

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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.