Home / 34,820.48-48,052.46-20,480.91

Finding the Fourth Proportional to 34,820.48, 48,052.46 and 20,480.91

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Solution

The fourth proportional to 34,820.48, 48,052.46 and 20,480.91 is: 28,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,820.48 : 48,052.46 = 20,480.91 : x
  2. Step 2: Convert to fraction form
    34,820.48/48,052.46 = 20,480.91/x
  3. Step 3: Cross multiply
    34,820.48x = 48,052.46 × 20,480.91
  4. Step 4: Simplify right side
    34,820.48x = 984,158,159.74
  5. Step 5: Solve for x
    x = 984,158,159.74/34,820.48
  6. Step 6: Final answer
    x = 28,263.77

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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.