Home / 36,985.48-51,044.70-21,075.64

Finding the Fourth Proportional to 36,985.48, 51,044.70 and 21,075.64

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Solution

The fourth proportional to 36,985.48, 51,044.70 and 21,075.64 is: 29,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,985.48 : 51,044.70 = 21,075.64 : x
  2. Step 2: Convert to fraction form
    36,985.48/51,044.70 = 21,075.64/x
  3. Step 3: Cross multiply
    36,985.48x = 51,044.70 × 21,075.64
  4. Step 4: Simplify right side
    36,985.48x = 1,075,799,721.11
  5. Step 5: Solve for x
    x = 1,075,799,721.11/36,985.48
  6. Step 6: Final answer
    x = 29,087.08

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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.