Home / 37,777.66-52,133.27-20,783.63

Finding the Fourth Proportional to 37,777.66, 52,133.27 and 20,783.63

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Solution

The fourth proportional to 37,777.66, 52,133.27 and 20,783.63 is: 28,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,777.66 : 52,133.27 = 20,783.63 : x
  2. Step 2: Convert to fraction form
    37,777.66/52,133.27 = 20,783.63/x
  3. Step 3: Cross multiply
    37,777.66x = 52,133.27 × 20,783.63
  4. Step 4: Simplify right side
    37,777.66x = 1,083,518,620.79
  5. Step 5: Solve for x
    x = 1,083,518,620.79/37,777.66
  6. Step 6: Final answer
    x = 28,681.47

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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.