Home / 35,787.48-49,386.69-19,870.98

Finding the Fourth Proportional to 35,787.48, 49,386.69 and 19,870.98

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Solution

The fourth proportional to 35,787.48, 49,386.69 and 19,870.98 is: 27,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.48 : 49,386.69 = 19,870.98 : x
  2. Step 2: Convert to fraction form
    35,787.48/49,386.69 = 19,870.98/x
  3. Step 3: Cross multiply
    35,787.48x = 49,386.69 × 19,870.98
  4. Step 4: Simplify right side
    35,787.48x = 981,361,929.26
  5. Step 5: Solve for x
    x = 981,361,929.26/35,787.48
  6. Step 6: Final answer
    x = 27,421.93

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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.