Home / 45,805.08-68,590.98-30,175.32

Finding the Fourth Proportional to 45,805.08, 68,590.98 and 30,175.32

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Solution

The fourth proportional to 45,805.08, 68,590.98 and 30,175.32 is: 45,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.08 : 68,590.98 = 30,175.32 : x
  2. Step 2: Convert to fraction form
    45,805.08/68,590.98 = 30,175.32/x
  3. Step 3: Cross multiply
    45,805.08x = 68,590.98 × 30,175.32
  4. Step 4: Simplify right side
    45,805.08x = 2,069,754,770.61
  5. Step 5: Solve for x
    x = 2,069,754,770.61/45,805.08
  6. Step 6: Final answer
    x = 45,186.14

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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.