Home / 35,335.81-48,762.85-19,419.91

Finding the Fourth Proportional to 35,335.81, 48,762.85 and 19,419.91

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Solution

The fourth proportional to 35,335.81, 48,762.85 and 19,419.91 is: 26,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,335.81 : 48,762.85 = 19,419.91 : x
  2. Step 2: Convert to fraction form
    35,335.81/48,762.85 = 19,419.91/x
  3. Step 3: Cross multiply
    35,335.81x = 48,762.85 × 19,419.91
  4. Step 4: Simplify right side
    35,335.81x = 946,970,339.85
  5. Step 5: Solve for x
    x = 946,970,339.85/35,335.81
  6. Step 6: Final answer
    x = 26,799.17

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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.