Home / 35,277.12-48,681-21,137.76

Finding the Fourth Proportional to 35,277.12, 48,681 and 21,137.76

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Solution

The fourth proportional to 35,277.12, 48,681 and 21,137.76 is: 29,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,277.12 : 48,681 = 21,137.76 : x
  2. Step 2: Convert to fraction form
    35,277.12/48,681 = 21,137.76/x
  3. Step 3: Cross multiply
    35,277.12x = 48,681 × 21,137.76
  4. Step 4: Simplify right side
    35,277.12x = 1,029,007,294.56
  5. Step 5: Solve for x
    x = 1,029,007,294.56/35,277.12
  6. Step 6: Final answer
    x = 29,169.25

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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.