Home / 73,385.28-101,272.32-39,851.36

Finding the Fourth Proportional to 73,385.28, 101,272.32 and 39,851.36

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Solution

The fourth proportional to 73,385.28, 101,272.32 and 39,851.36 is: 54,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,385.28 : 101,272.32 = 39,851.36 : x
  2. Step 2: Convert to fraction form
    73,385.28/101,272.32 = 39,851.36/x
  3. Step 3: Cross multiply
    73,385.28x = 101,272.32 × 39,851.36
  4. Step 4: Simplify right side
    73,385.28x = 4,035,839,682.36
  5. Step 5: Solve for x
    x = 4,035,839,682.36/73,385.28
  6. Step 6: Final answer
    x = 54,995.22

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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.