Home / 38,820.77-53,589.29-26,738.20

Finding the Fourth Proportional to 38,820.77, 53,589.29 and 26,738.20

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Solution

The fourth proportional to 38,820.77, 53,589.29 and 26,738.20 is: 36,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.77 : 53,589.29 = 26,738.20 : x
  2. Step 2: Convert to fraction form
    38,820.77/53,589.29 = 26,738.20/x
  3. Step 3: Cross multiply
    38,820.77x = 53,589.29 × 26,738.20
  4. Step 4: Simplify right side
    38,820.77x = 1,432,881,153.88
  5. Step 5: Solve for x
    x = 1,432,881,153.88/38,820.77
  6. Step 6: Final answer
    x = 36,910.17

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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.