Home / 35,579.16-49,099.86-19,663.74

Finding the Fourth Proportional to 35,579.16, 49,099.86 and 19,663.74

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Solution

The fourth proportional to 35,579.16, 49,099.86 and 19,663.74 is: 27,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,579.16 : 49,099.86 = 19,663.74 : x
  2. Step 2: Convert to fraction form
    35,579.16/49,099.86 = 19,663.74/x
  3. Step 3: Cross multiply
    35,579.16x = 49,099.86 × 19,663.74
  4. Step 4: Simplify right side
    35,579.16x = 965,486,881.08
  5. Step 5: Solve for x
    x = 965,486,881.08/35,579.16
  6. Step 6: Final answer
    x = 27,136.30

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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.