Home / 36,681.61-55,001.76-11,715.79

Finding the Fourth Proportional to 36,681.61, 55,001.76 and 11,715.79

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Solution

The fourth proportional to 36,681.61, 55,001.76 and 11,715.79 is: 17,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.61 : 55,001.76 = 11,715.79 : x
  2. Step 2: Convert to fraction form
    36,681.61/55,001.76 = 11,715.79/x
  3. Step 3: Cross multiply
    36,681.61x = 55,001.76 × 11,715.79
  4. Step 4: Simplify right side
    36,681.61x = 644,389,069.79
  5. Step 5: Solve for x
    x = 644,389,069.79/36,681.61
  6. Step 6: Final answer
    x = 17,567.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.