Home / 73,506.24-101,438.40-39,972

Finding the Fourth Proportional to 73,506.24, 101,438.40 and 39,972

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Solution

The fourth proportional to 73,506.24, 101,438.40 and 39,972 is: 55,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,506.24 : 101,438.40 = 39,972 : x
  2. Step 2: Convert to fraction form
    73,506.24/101,438.40 = 39,972/x
  3. Step 3: Cross multiply
    73,506.24x = 101,438.40 × 39,972
  4. Step 4: Simplify right side
    73,506.24x = 4,054,695,724.80
  5. Step 5: Solve for x
    x = 4,054,695,724.80/73,506.24
  6. Step 6: Final answer
    x = 55,161.25

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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.