Home / 48,349-66,721.64-29,490.04

Finding the Fourth Proportional to 48,349, 66,721.64 and 29,490.04

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Solution

The fourth proportional to 48,349, 66,721.64 and 29,490.04 is: 40,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,349 : 66,721.64 = 29,490.04 : x
  2. Step 2: Convert to fraction form
    48,349/66,721.64 = 29,490.04/x
  3. Step 3: Cross multiply
    48,349x = 66,721.64 × 29,490.04
  4. Step 4: Simplify right side
    48,349x = 1,967,623,832.47
  5. Step 5: Solve for x
    x = 1,967,623,832.47/48,349
  6. Step 6: Final answer
    x = 40,696.27

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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.