Home / 35,740.31-49,319.28-19,824.21

Finding the Fourth Proportional to 35,740.31, 49,319.28 and 19,824.21

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Solution

The fourth proportional to 35,740.31, 49,319.28 and 19,824.21 is: 27,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,740.31 : 49,319.28 = 19,824.21 : x
  2. Step 2: Convert to fraction form
    35,740.31/49,319.28 = 19,824.21/x
  3. Step 3: Cross multiply
    35,740.31x = 49,319.28 × 19,824.21
  4. Step 4: Simplify right side
    35,740.31x = 977,715,763.77
  5. Step 5: Solve for x
    x = 977,715,763.77/35,740.31
  6. Step 6: Final answer
    x = 27,356.11

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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.