Home / 29,878.02-41,248.83-19,820.10

Finding the Fourth Proportional to 29,878.02, 41,248.83 and 19,820.10

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Solution

The fourth proportional to 29,878.02, 41,248.83 and 19,820.10 is: 27,363.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,878.02 : 41,248.83 = 19,820.10 : x
  2. Step 2: Convert to fraction form
    29,878.02/41,248.83 = 19,820.10/x
  3. Step 3: Cross multiply
    29,878.02x = 41,248.83 × 19,820.10
  4. Step 4: Simplify right side
    29,878.02x = 817,555,935.48
  5. Step 5: Solve for x
    x = 817,555,935.48/29,878.02
  6. Step 6: Final answer
    x = 27,363.12

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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.