Home / 35,732.01-49,313.13-19,821.60

Finding the Fourth Proportional to 35,732.01, 49,313.13 and 19,821.60

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Solution

The fourth proportional to 35,732.01, 49,313.13 and 19,821.60 is: 27,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,732.01 : 49,313.13 = 19,821.60 : x
  2. Step 2: Convert to fraction form
    35,732.01/49,313.13 = 19,821.60/x
  3. Step 3: Cross multiply
    35,732.01x = 49,313.13 × 19,821.60
  4. Step 4: Simplify right side
    35,732.01x = 977,465,137.61
  5. Step 5: Solve for x
    x = 977,465,137.61/35,732.01
  6. Step 6: Final answer
    x = 27,355.45

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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.