Home / 36,681.24-55,021.86-10,386.21

Finding the Fourth Proportional to 36,681.24, 55,021.86 and 10,386.21

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Solution

The fourth proportional to 36,681.24, 55,021.86 and 10,386.21 is: 15,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.24 : 55,021.86 = 10,386.21 : x
  2. Step 2: Convert to fraction form
    36,681.24/55,021.86 = 10,386.21/x
  3. Step 3: Cross multiply
    36,681.24x = 55,021.86 × 10,386.21
  4. Step 4: Simplify right side
    36,681.24x = 571,468,592.55
  5. Step 5: Solve for x
    x = 571,468,592.55/36,681.24
  6. Step 6: Final answer
    x = 15,579.32

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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.