Home / 35,292.98-48,700.73-21,145.46

Finding the Fourth Proportional to 35,292.98, 48,700.73 and 21,145.46

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Solution

The fourth proportional to 35,292.98, 48,700.73 and 21,145.46 is: 29,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,292.98 : 48,700.73 = 21,145.46 : x
  2. Step 2: Convert to fraction form
    35,292.98/48,700.73 = 21,145.46/x
  3. Step 3: Cross multiply
    35,292.98x = 48,700.73 × 21,145.46
  4. Step 4: Simplify right side
    35,292.98x = 1,029,799,338.19
  5. Step 5: Solve for x
    x = 1,029,799,338.19/35,292.98
  6. Step 6: Final answer
    x = 29,178.59

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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.