Home / 35,347.78-48,759.60-21,192.40

Finding the Fourth Proportional to 35,347.78, 48,759.60 and 21,192.40

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Solution

The fourth proportional to 35,347.78, 48,759.60 and 21,192.40 is: 29,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.78 : 48,759.60 = 21,192.40 : x
  2. Step 2: Convert to fraction form
    35,347.78/48,759.60 = 21,192.40/x
  3. Step 3: Cross multiply
    35,347.78x = 48,759.60 × 21,192.40
  4. Step 4: Simplify right side
    35,347.78x = 1,033,332,947.04
  5. Step 5: Solve for x
    x = 1,033,332,947.04/35,347.78
  6. Step 6: Final answer
    x = 29,233.32

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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.