Home / 35,436.88-48,887.40-21,281.50

Finding the Fourth Proportional to 35,436.88, 48,887.40 and 21,281.50

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Solution

The fourth proportional to 35,436.88, 48,887.40 and 21,281.50 is: 29,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,436.88 : 48,887.40 = 21,281.50 : x
  2. Step 2: Convert to fraction form
    35,436.88/48,887.40 = 21,281.50/x
  3. Step 3: Cross multiply
    35,436.88x = 48,887.40 × 21,281.50
  4. Step 4: Simplify right side
    35,436.88x = 1,040,397,203.10
  5. Step 5: Solve for x
    x = 1,040,397,203.10/35,436.88
  6. Step 6: Final answer
    x = 29,359.16

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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.