Home / 35,728.01-49,307.61-19,817.60

Finding the Fourth Proportional to 35,728.01, 49,307.61 and 19,817.60

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Solution

The fourth proportional to 35,728.01, 49,307.61 and 19,817.60 is: 27,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,728.01 : 49,307.61 = 19,817.60 : x
  2. Step 2: Convert to fraction form
    35,728.01/49,307.61 = 19,817.60/x
  3. Step 3: Cross multiply
    35,728.01x = 49,307.61 × 19,817.60
  4. Step 4: Simplify right side
    35,728.01x = 977,158,491.94
  5. Step 5: Solve for x
    x = 977,158,491.94/35,728.01
  6. Step 6: Final answer
    x = 27,349.93

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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.