Home / 35,728.30-49,308.08-19,817.88

Finding the Fourth Proportional to 35,728.30, 49,308.08 and 19,817.88

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Solution

The fourth proportional to 35,728.30, 49,308.08 and 19,817.88 is: 27,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,728.30 : 49,308.08 = 19,817.88 : x
  2. Step 2: Convert to fraction form
    35,728.30/49,308.08 = 19,817.88/x
  3. Step 3: Cross multiply
    35,728.30x = 49,308.08 × 19,817.88
  4. Step 4: Simplify right side
    35,728.30x = 977,181,612.47
  5. Step 5: Solve for x
    x = 977,181,612.47/35,728.30
  6. Step 6: Final answer
    x = 27,350.35

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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.