Home / 53,686.49-74,088.36-29,815.39

Finding the Fourth Proportional to 53,686.49, 74,088.36 and 29,815.39

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Solution

The fourth proportional to 53,686.49, 74,088.36 and 29,815.39 is: 41,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.49 : 74,088.36 = 29,815.39 : x
  2. Step 2: Convert to fraction form
    53,686.49/74,088.36 = 29,815.39/x
  3. Step 3: Cross multiply
    53,686.49x = 74,088.36 × 29,815.39
  4. Step 4: Simplify right side
    53,686.49x = 2,208,972,828.34
  5. Step 5: Solve for x
    x = 2,208,972,828.34/53,686.49
  6. Step 6: Final answer
    x = 41,145.79

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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.