Home / 36,708.66-55,055.70-17,980.65

Finding the Fourth Proportional to 36,708.66, 55,055.70 and 17,980.65

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Solution

The fourth proportional to 36,708.66, 55,055.70 and 17,980.65 is: 26,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,708.66 : 55,055.70 = 17,980.65 : x
  2. Step 2: Convert to fraction form
    36,708.66/55,055.70 = 17,980.65/x
  3. Step 3: Cross multiply
    36,708.66x = 55,055.70 × 17,980.65
  4. Step 4: Simplify right side
    36,708.66x = 989,937,272.21
  5. Step 5: Solve for x
    x = 989,937,272.21/36,708.66
  6. Step 6: Final answer
    x = 26,967.40

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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.