Home / 52,645.82-72,651.08-28,772.51

Finding the Fourth Proportional to 52,645.82, 72,651.08 and 28,772.51

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Solution

The fourth proportional to 52,645.82, 72,651.08 and 28,772.51 is: 39,705.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,645.82 : 72,651.08 = 28,772.51 : x
  2. Step 2: Convert to fraction form
    52,645.82/72,651.08 = 28,772.51/x
  3. Step 3: Cross multiply
    52,645.82x = 72,651.08 × 28,772.51
  4. Step 4: Simplify right side
    52,645.82x = 2,090,353,634.49
  5. Step 5: Solve for x
    x = 2,090,353,634.49/52,645.82
  6. Step 6: Final answer
    x = 39,705.98

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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.