Home / 36,987.74-51,039.42-21,071.24

Finding the Fourth Proportional to 36,987.74, 51,039.42 and 21,071.24

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Solution

The fourth proportional to 36,987.74, 51,039.42 and 21,071.24 is: 29,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,987.74 : 51,039.42 = 21,071.24 : x
  2. Step 2: Convert to fraction form
    36,987.74/51,039.42 = 21,071.24/x
  3. Step 3: Cross multiply
    36,987.74x = 51,039.42 × 21,071.24
  4. Step 4: Simplify right side
    36,987.74x = 1,075,463,868.28
  5. Step 5: Solve for x
    x = 1,075,463,868.28/36,987.74
  6. Step 6: Final answer
    x = 29,076.23

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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.