Home / 36,987.17-51,044.18-21,888.50

Finding the Fourth Proportional to 36,987.17, 51,044.18 and 21,888.50

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Solution

The fourth proportional to 36,987.17, 51,044.18 and 21,888.50 is: 30,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,987.17 : 51,044.18 = 21,888.50 : x
  2. Step 2: Convert to fraction form
    36,987.17/51,044.18 = 21,888.50/x
  3. Step 3: Cross multiply
    36,987.17x = 51,044.18 × 21,888.50
  4. Step 4: Simplify right side
    36,987.17x = 1,117,280,169.27
  5. Step 5: Solve for x
    x = 1,117,280,169.27/36,987.17
  6. Step 6: Final answer
    x = 30,207.24

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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.