Home / 70,447.21-97,220.89-38,617.45

Finding the Fourth Proportional to 70,447.21, 97,220.89 and 38,617.45

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Solution

The fourth proportional to 70,447.21, 97,220.89 and 38,617.45 is: 53,294.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,447.21 : 97,220.89 = 38,617.45 : x
  2. Step 2: Convert to fraction form
    70,447.21/97,220.89 = 38,617.45/x
  3. Step 3: Cross multiply
    70,447.21x = 97,220.89 × 38,617.45
  4. Step 4: Simplify right side
    70,447.21x = 3,754,422,858.53
  5. Step 5: Solve for x
    x = 3,754,422,858.53/70,447.21
  6. Step 6: Final answer
    x = 53,294.13

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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.