Home / 52,211.62-72,051.61-28,338.31

Finding the Fourth Proportional to 52,211.62, 72,051.61 and 28,338.31

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Solution

The fourth proportional to 52,211.62, 72,051.61 and 28,338.31 is: 39,106.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.62 : 72,051.61 = 28,338.31 : x
  2. Step 2: Convert to fraction form
    52,211.62/72,051.61 = 28,338.31/x
  3. Step 3: Cross multiply
    52,211.62x = 72,051.61 × 28,338.31
  4. Step 4: Simplify right side
    52,211.62x = 2,041,820,860.18
  5. Step 5: Solve for x
    x = 2,041,820,860.18/52,211.62
  6. Step 6: Final answer
    x = 39,106.64

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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.