Home / 36,970.32-51,019.24-20,203.68

Finding the Fourth Proportional to 36,970.32, 51,019.24 and 20,203.68

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Solution

The fourth proportional to 36,970.32, 51,019.24 and 20,203.68 is: 27,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,970.32 : 51,019.24 = 20,203.68 : x
  2. Step 2: Convert to fraction form
    36,970.32/51,019.24 = 20,203.68/x
  3. Step 3: Cross multiply
    36,970.32x = 51,019.24 × 20,203.68
  4. Step 4: Simplify right side
    36,970.32x = 1,030,776,398.80
  5. Step 5: Solve for x
    x = 1,030,776,398.80/36,970.32
  6. Step 6: Final answer
    x = 27,881.19

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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.