Home / 30,547.20-42,175.44-23,460.96

Finding the Fourth Proportional to 30,547.20, 42,175.44 and 23,460.96

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Solution

The fourth proportional to 30,547.20, 42,175.44 and 23,460.96 is: 32,391.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.20 : 42,175.44 = 23,460.96 : x
  2. Step 2: Convert to fraction form
    30,547.20/42,175.44 = 23,460.96/x
  3. Step 3: Cross multiply
    30,547.20x = 42,175.44 × 23,460.96
  4. Step 4: Simplify right side
    30,547.20x = 989,476,310.82
  5. Step 5: Solve for x
    x = 989,476,310.82/30,547.20
  6. Step 6: Final answer
    x = 32,391.72

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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.