Home / 35,437.60-48,903.04-20,339.08

Finding the Fourth Proportional to 35,437.60, 48,903.04 and 20,339.08

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Solution

The fourth proportional to 35,437.60, 48,903.04 and 20,339.08 is: 28,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,437.60 : 48,903.04 = 20,339.08 : x
  2. Step 2: Convert to fraction form
    35,437.60/48,903.04 = 20,339.08/x
  3. Step 3: Cross multiply
    35,437.60x = 48,903.04 × 20,339.08
  4. Step 4: Simplify right side
    35,437.60x = 994,642,842.80
  5. Step 5: Solve for x
    x = 994,642,842.80/35,437.60
  6. Step 6: Final answer
    x = 28,067.44

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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.