Home / 70,318.34-97,039.30-38,487.23

Finding the Fourth Proportional to 70,318.34, 97,039.30 and 38,487.23

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Solution

The fourth proportional to 70,318.34, 97,039.30 and 38,487.23 is: 53,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,318.34 : 97,039.30 = 38,487.23 : x
  2. Step 2: Convert to fraction form
    70,318.34/97,039.30 = 38,487.23/x
  3. Step 3: Cross multiply
    70,318.34x = 97,039.30 × 38,487.23
  4. Step 4: Simplify right side
    70,318.34x = 3,734,773,858.14
  5. Step 5: Solve for x
    x = 3,734,773,858.14/70,318.34
  6. Step 6: Final answer
    x = 53,112.38

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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.