Home / 52,838.91-72,918.02-28,965.51

Finding the Fourth Proportional to 52,838.91, 72,918.02 and 28,965.51

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Solution

The fourth proportional to 52,838.91, 72,918.02 and 28,965.51 is: 39,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,838.91 : 72,918.02 = 28,965.51 : x
  2. Step 2: Convert to fraction form
    52,838.91/72,918.02 = 28,965.51/x
  3. Step 3: Cross multiply
    52,838.91x = 72,918.02 × 28,965.51
  4. Step 4: Simplify right side
    52,838.91x = 2,112,107,492.66
  5. Step 5: Solve for x
    x = 2,112,107,492.66/52,838.91
  6. Step 6: Final answer
    x = 39,972.58

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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.