Home / 36,979.47-51,032.84-21,063.58

Finding the Fourth Proportional to 36,979.47, 51,032.84 and 21,063.58

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Solution

The fourth proportional to 36,979.47, 51,032.84 and 21,063.58 is: 29,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.47 : 51,032.84 = 21,063.58 : x
  2. Step 2: Convert to fraction form
    36,979.47/51,032.84 = 21,063.58/x
  3. Step 3: Cross multiply
    36,979.47x = 51,032.84 × 21,063.58
  4. Step 4: Simplify right side
    36,979.47x = 1,074,934,075.07
  5. Step 5: Solve for x
    x = 1,074,934,075.07/36,979.47
  6. Step 6: Final answer
    x = 29,068.40

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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.