Home / 42,550.68-63,730.98-30,837

Finding the Fourth Proportional to 42,550.68, 63,730.98 and 30,837

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Solution

The fourth proportional to 42,550.68, 63,730.98 and 30,837 is: 46,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550.68 : 63,730.98 = 30,837 : x
  2. Step 2: Convert to fraction form
    42,550.68/63,730.98 = 30,837/x
  3. Step 3: Cross multiply
    42,550.68x = 63,730.98 × 30,837
  4. Step 4: Simplify right side
    42,550.68x = 1,965,272,230.26
  5. Step 5: Solve for x
    x = 1,965,272,230.26/42,550.68
  6. Step 6: Final answer
    x = 46,186.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.