Home / 36,989.64-51,012.18-31,632.18

Finding the Fourth Proportional to 36,989.64, 51,012.18 and 31,632.18

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Solution

The fourth proportional to 36,989.64, 51,012.18 and 31,632.18 is: 43,623.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.64 : 51,012.18 = 31,632.18 : x
  2. Step 2: Convert to fraction form
    36,989.64/51,012.18 = 31,632.18/x
  3. Step 3: Cross multiply
    36,989.64x = 51,012.18 × 31,632.18
  4. Step 4: Simplify right side
    36,989.64x = 1,613,626,459.95
  5. Step 5: Solve for x
    x = 1,613,626,459.95/36,989.64
  6. Step 6: Final answer
    x = 43,623.74

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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.