Home / 36,987.54-51,041.76-21,077.10

Finding the Fourth Proportional to 36,987.54, 51,041.76 and 21,077.10

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Solution

The fourth proportional to 36,987.54, 51,041.76 and 21,077.10 is: 29,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,987.54 : 51,041.76 = 21,077.10 : x
  2. Step 2: Convert to fraction form
    36,987.54/51,041.76 = 21,077.10/x
  3. Step 3: Cross multiply
    36,987.54x = 51,041.76 × 21,077.10
  4. Step 4: Simplify right side
    36,987.54x = 1,075,812,279.70
  5. Step 5: Solve for x
    x = 1,075,812,279.70/36,987.54
  6. Step 6: Final answer
    x = 29,085.80

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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.