Home / 52,211.81-72,052.37-28,338.49

Finding the Fourth Proportional to 52,211.81, 72,052.37 and 28,338.49

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Solution

The fourth proportional to 52,211.81, 72,052.37 and 28,338.49 is: 39,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.81 : 72,052.37 = 28,338.49 : x
  2. Step 2: Convert to fraction form
    52,211.81/72,052.37 = 28,338.49/x
  3. Step 3: Cross multiply
    52,211.81x = 72,052.37 × 28,338.49
  4. Step 4: Simplify right side
    52,211.81x = 2,041,855,366.72
  5. Step 5: Solve for x
    x = 2,041,855,366.72/52,211.81
  6. Step 6: Final answer
    x = 39,107.16

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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.