Home / 53,686.32-74,089.59-29,813.09

Finding the Fourth Proportional to 53,686.32, 74,089.59 and 29,813.09

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Solution

The fourth proportional to 53,686.32, 74,089.59 and 29,813.09 is: 41,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.32 : 74,089.59 = 29,813.09 : x
  2. Step 2: Convert to fraction form
    53,686.32/74,089.59 = 29,813.09/x
  3. Step 3: Cross multiply
    53,686.32x = 74,089.59 × 29,813.09
  4. Step 4: Simplify right side
    53,686.32x = 2,208,839,614.73
  5. Step 5: Solve for x
    x = 2,208,839,614.73/53,686.32
  6. Step 6: Final answer
    x = 41,143.43

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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.