Home / 37,803.86-52,168.92-20,807.74

Finding the Fourth Proportional to 37,803.86, 52,168.92 and 20,807.74

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Solution

The fourth proportional to 37,803.86, 52,168.92 and 20,807.74 is: 28,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,803.86 : 52,168.92 = 20,807.74 : x
  2. Step 2: Convert to fraction form
    37,803.86/52,168.92 = 20,807.74/x
  3. Step 3: Cross multiply
    37,803.86x = 52,168.92 × 20,807.74
  4. Step 4: Simplify right side
    37,803.86x = 1,085,517,017.17
  5. Step 5: Solve for x
    x = 1,085,517,017.17/37,803.86
  6. Step 6: Final answer
    x = 28,714.45

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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.