Home / 53,141.40-73,274.30-39,689.93

Finding the Fourth Proportional to 53,141.40, 73,274.30 and 39,689.93

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Solution

The fourth proportional to 53,141.40, 73,274.30 and 39,689.93 is: 54,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141.40 : 73,274.30 = 39,689.93 : x
  2. Step 2: Convert to fraction form
    53,141.40/73,274.30 = 39,689.93/x
  3. Step 3: Cross multiply
    53,141.40x = 73,274.30 × 39,689.93
  4. Step 4: Simplify right side
    53,141.40x = 2,908,251,272.98
  5. Step 5: Solve for x
    x = 2,908,251,272.98/53,141.40
  6. Step 6: Final answer
    x = 54,726.66

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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.