Home / 52,839.39-72,918.80-28,968.27

Finding the Fourth Proportional to 52,839.39, 72,918.80 and 28,968.27

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Solution

The fourth proportional to 52,839.39, 72,918.80 and 28,968.27 is: 39,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,839.39 : 72,918.80 = 28,968.27 : x
  2. Step 2: Convert to fraction form
    52,839.39/72,918.80 = 28,968.27/x
  3. Step 3: Cross multiply
    52,839.39x = 72,918.80 × 28,968.27
  4. Step 4: Simplify right side
    52,839.39x = 2,112,331,341.63
  5. Step 5: Solve for x
    x = 2,112,331,341.63/52,839.39
  6. Step 6: Final answer
    x = 39,976.45

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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.