Home / 35,728.47-49,308.12-19,816.02

Finding the Fourth Proportional to 35,728.47, 49,308.12 and 19,816.02

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Solution

The fourth proportional to 35,728.47, 49,308.12 and 19,816.02 is: 27,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,728.47 : 49,308.12 = 19,816.02 : x
  2. Step 2: Convert to fraction form
    35,728.47/49,308.12 = 19,816.02/x
  3. Step 3: Cross multiply
    35,728.47x = 49,308.12 × 19,816.02
  4. Step 4: Simplify right side
    35,728.47x = 977,090,692.08
  5. Step 5: Solve for x
    x = 977,090,692.08/35,728.47
  6. Step 6: Final answer
    x = 27,347.68

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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.