Home / 35,418.36-48,877.52-20,311.59

Finding the Fourth Proportional to 35,418.36, 48,877.52 and 20,311.59

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Solution

The fourth proportional to 35,418.36, 48,877.52 and 20,311.59 is: 28,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.36 : 48,877.52 = 20,311.59 : x
  2. Step 2: Convert to fraction form
    35,418.36/48,877.52 = 20,311.59/x
  3. Step 3: Cross multiply
    35,418.36x = 48,877.52 × 20,311.59
  4. Step 4: Simplify right side
    35,418.36x = 992,780,044.90
  5. Step 5: Solve for x
    x = 992,780,044.90/35,418.36
  6. Step 6: Final answer
    x = 28,030.10

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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.