Home / 35,727.80-49,307.40-19,817.38

Finding the Fourth Proportional to 35,727.80, 49,307.40 and 19,817.38

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Solution

The fourth proportional to 35,727.80, 49,307.40 and 19,817.38 is: 27,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,727.80 : 49,307.40 = 19,817.38 : x
  2. Step 2: Convert to fraction form
    35,727.80/49,307.40 = 19,817.38/x
  3. Step 3: Cross multiply
    35,727.80x = 49,307.40 × 19,817.38
  4. Step 4: Simplify right side
    35,727.80x = 977,143,136.99
  5. Step 5: Solve for x
    x = 977,143,136.99/35,727.80
  6. Step 6: Final answer
    x = 27,349.66

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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.