Home / 45,509.83-62,660.65-38,690.44

Finding the Fourth Proportional to 45,509.83, 62,660.65 and 38,690.44

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Solution

The fourth proportional to 45,509.83, 62,660.65 and 38,690.44 is: 53,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,509.83 : 62,660.65 = 38,690.44 : x
  2. Step 2: Convert to fraction form
    45,509.83/62,660.65 = 38,690.44/x
  3. Step 3: Cross multiply
    45,509.83x = 62,660.65 × 38,690.44
  4. Step 4: Simplify right side
    45,509.83x = 2,424,367,925.73
  5. Step 5: Solve for x
    x = 2,424,367,925.73/45,509.83
  6. Step 6: Final answer
    x = 53,271.30

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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.