Home / 35,977.47-49,649.23-19,845.40

Finding the Fourth Proportional to 35,977.47, 49,649.23 and 19,845.40

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Solution

The fourth proportional to 35,977.47, 49,649.23 and 19,845.40 is: 27,386.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.47 : 49,649.23 = 19,845.40 : x
  2. Step 2: Convert to fraction form
    35,977.47/49,649.23 = 19,845.40/x
  3. Step 3: Cross multiply
    35,977.47x = 49,649.23 × 19,845.40
  4. Step 4: Simplify right side
    35,977.47x = 985,308,915.91
  5. Step 5: Solve for x
    x = 985,308,915.91/35,977.47
  6. Step 6: Final answer
    x = 27,386.83

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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.