Home / 39,110.02-53,972.07-21,204.87

Finding the Fourth Proportional to 39,110.02, 53,972.07 and 21,204.87

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Solution

The fourth proportional to 39,110.02, 53,972.07 and 21,204.87 is: 29,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,110.02 : 53,972.07 = 21,204.87 : x
  2. Step 2: Convert to fraction form
    39,110.02/53,972.07 = 21,204.87/x
  3. Step 3: Cross multiply
    39,110.02x = 53,972.07 × 21,204.87
  4. Step 4: Simplify right side
    39,110.02x = 1,144,470,727.98
  5. Step 5: Solve for x
    x = 1,144,470,727.98/39,110.02
  6. Step 6: Final answer
    x = 29,262.85

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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.