Home / 36,810.10-55,215.63-10,515.70

Finding the Fourth Proportional to 36,810.10, 55,215.63 and 10,515.70

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Solution

The fourth proportional to 36,810.10, 55,215.63 and 10,515.70 is: 15,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,810.10 : 55,215.63 = 10,515.70 : x
  2. Step 2: Convert to fraction form
    36,810.10/55,215.63 = 10,515.70/x
  3. Step 3: Cross multiply
    36,810.10x = 55,215.63 × 10,515.70
  4. Step 4: Simplify right side
    36,810.10x = 580,631,000.39
  5. Step 5: Solve for x
    x = 580,631,000.39/36,810.10
  6. Step 6: Final answer
    x = 15,773.69

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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.