Home / 39,943.36-59,921.28-17,764.48

Finding the Fourth Proportional to 39,943.36, 59,921.28 and 17,764.48

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Solution

The fourth proportional to 39,943.36, 59,921.28 and 17,764.48 is: 26,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.36 : 59,921.28 = 17,764.48 : x
  2. Step 2: Convert to fraction form
    39,943.36/59,921.28 = 17,764.48/x
  3. Step 3: Cross multiply
    39,943.36x = 59,921.28 × 17,764.48
  4. Step 4: Simplify right side
    39,943.36x = 1,064,470,380.13
  5. Step 5: Solve for x
    x = 1,064,470,380.13/39,943.36
  6. Step 6: Final answer
    x = 26,649.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.