Home / 72,953.32-100,675.46-39,419.24

Finding the Fourth Proportional to 72,953.32, 100,675.46 and 39,419.24

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Solution

The fourth proportional to 72,953.32, 100,675.46 and 39,419.24 is: 54,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,953.32 : 100,675.46 = 39,419.24 : x
  2. Step 2: Convert to fraction form
    72,953.32/100,675.46 = 39,419.24/x
  3. Step 3: Cross multiply
    72,953.32x = 100,675.46 × 39,419.24
  4. Step 4: Simplify right side
    72,953.32x = 3,968,550,119.85
  5. Step 5: Solve for x
    x = 3,968,550,119.85/72,953.32
  6. Step 6: Final answer
    x = 54,398.49

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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.