Home / 37,776.86-52,126.36-21,641.66

Finding the Fourth Proportional to 37,776.86, 52,126.36 and 21,641.66

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Solution

The fourth proportional to 37,776.86, 52,126.36 and 21,641.66 is: 29,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,776.86 : 52,126.36 = 21,641.66 : x
  2. Step 2: Convert to fraction form
    37,776.86/52,126.36 = 21,641.66/x
  3. Step 3: Cross multiply
    37,776.86x = 52,126.36 × 21,641.66
  4. Step 4: Simplify right side
    37,776.86x = 1,128,100,960.16
  5. Step 5: Solve for x
    x = 1,128,100,960.16/37,776.86
  6. Step 6: Final answer
    x = 29,862.22

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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.