Home / 37,777.71-52,133.35-20,783.70

Finding the Fourth Proportional to 37,777.71, 52,133.35 and 20,783.70

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Solution

The fourth proportional to 37,777.71, 52,133.35 and 20,783.70 is: 28,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,777.71 : 52,133.35 = 20,783.70 : x
  2. Step 2: Convert to fraction form
    37,777.71/52,133.35 = 20,783.70/x
  3. Step 3: Cross multiply
    37,777.71x = 52,133.35 × 20,783.70
  4. Step 4: Simplify right side
    37,777.71x = 1,083,523,906.40
  5. Step 5: Solve for x
    x = 1,083,523,906.40/37,777.71
  6. Step 6: Final answer
    x = 28,681.57

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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.