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Finding the Fourth Proportional to 52,323.82, 72,206.70 and 28,450.30

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Solution

The fourth proportional to 52,323.82, 72,206.70 and 28,450.30 is: 39,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,323.82 : 72,206.70 = 28,450.30 : x
  2. Step 2: Convert to fraction form
    52,323.82/72,206.70 = 28,450.30/x
  3. Step 3: Cross multiply
    52,323.82x = 72,206.70 × 28,450.30
  4. Step 4: Simplify right side
    52,323.82x = 2,054,302,277.01
  5. Step 5: Solve for x
    x = 2,054,302,277.01/52,323.82
  6. Step 6: Final answer
    x = 39,261.32

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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.