Home / 37,357.02-56,035.56-12,390.48

Finding the Fourth Proportional to 37,357.02, 56,035.56 and 12,390.48

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Solution

The fourth proportional to 37,357.02, 56,035.56 and 12,390.48 is: 18,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,357.02 : 56,035.56 = 12,390.48 : x
  2. Step 2: Convert to fraction form
    37,357.02/56,035.56 = 12,390.48/x
  3. Step 3: Cross multiply
    37,357.02x = 56,035.56 × 12,390.48
  4. Step 4: Simplify right side
    37,357.02x = 694,307,485.47
  5. Step 5: Solve for x
    x = 694,307,485.47/37,357.02
  6. Step 6: Final answer
    x = 18,585.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.