Home / 36,987.99-51,039.77-21,071.49

Finding the Fourth Proportional to 36,987.99, 51,039.77 and 21,071.49

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Solution

The fourth proportional to 36,987.99, 51,039.77 and 21,071.49 is: 29,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,987.99 : 51,039.77 = 21,071.49 : x
  2. Step 2: Convert to fraction form
    36,987.99/51,039.77 = 21,071.49/x
  3. Step 3: Cross multiply
    36,987.99x = 51,039.77 × 21,071.49
  4. Step 4: Simplify right side
    36,987.99x = 1,075,483,897.80
  5. Step 5: Solve for x
    x = 1,075,483,897.80/36,987.99
  6. Step 6: Final answer
    x = 29,076.57

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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.