Home / 35,282.55-52,945.79-21,981.68

Finding the Fourth Proportional to 35,282.55, 52,945.79 and 21,981.68

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Solution

The fourth proportional to 35,282.55, 52,945.79 and 21,981.68 is: 32,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,282.55 : 52,945.79 = 21,981.68 : x
  2. Step 2: Convert to fraction form
    35,282.55/52,945.79 = 21,981.68/x
  3. Step 3: Cross multiply
    35,282.55x = 52,945.79 × 21,981.68
  4. Step 4: Simplify right side
    35,282.55x = 1,163,837,038.49
  5. Step 5: Solve for x
    x = 1,163,837,038.49/35,282.55
  6. Step 6: Final answer
    x = 32,986.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.