Home / 45,321.49-62,547.88-27,420.89

Finding the Fourth Proportional to 45,321.49, 62,547.88 and 27,420.89

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Solution

The fourth proportional to 45,321.49, 62,547.88 and 27,420.89 is: 37,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,321.49 : 62,547.88 = 27,420.89 : x
  2. Step 2: Convert to fraction form
    45,321.49/62,547.88 = 27,420.89/x
  3. Step 3: Cross multiply
    45,321.49x = 62,547.88 × 27,420.89
  4. Step 4: Simplify right side
    45,321.49x = 1,715,118,400.11
  5. Step 5: Solve for x
    x = 1,715,118,400.11/45,321.49
  6. Step 6: Final answer
    x = 37,843.38

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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.