Home / 52,817.42-72,888.61-28,943.58

Finding the Fourth Proportional to 52,817.42, 72,888.61 and 28,943.58

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Solution

The fourth proportional to 52,817.42, 72,888.61 and 28,943.58 is: 39,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,817.42 : 72,888.61 = 28,943.58 : x
  2. Step 2: Convert to fraction form
    52,817.42/72,888.61 = 28,943.58/x
  3. Step 3: Cross multiply
    52,817.42x = 72,888.61 × 28,943.58
  4. Step 4: Simplify right side
    52,817.42x = 2,109,657,159.87
  5. Step 5: Solve for x
    x = 2,109,657,159.87/52,817.42
  6. Step 6: Final answer
    x = 39,942.45

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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.