Home / 37,721.18-52,055.02-20,493.40

Finding the Fourth Proportional to 37,721.18, 52,055.02 and 20,493.40

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Solution

The fourth proportional to 37,721.18, 52,055.02 and 20,493.40 is: 28,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.18 : 52,055.02 = 20,493.40 : x
  2. Step 2: Convert to fraction form
    37,721.18/52,055.02 = 20,493.40/x
  3. Step 3: Cross multiply
    37,721.18x = 52,055.02 × 20,493.40
  4. Step 4: Simplify right side
    37,721.18x = 1,066,784,346.87
  5. Step 5: Solve for x
    x = 1,066,784,346.87/37,721.18
  6. Step 6: Final answer
    x = 28,280.78

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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.