Home / 40,654.94-60,982.06-31,777.74

Finding the Fourth Proportional to 40,654.94, 60,982.06 and 31,777.74

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Solution

The fourth proportional to 40,654.94, 60,982.06 and 31,777.74 is: 47,666.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,654.94 : 60,982.06 = 31,777.74 : x
  2. Step 2: Convert to fraction form
    40,654.94/60,982.06 = 31,777.74/x
  3. Step 3: Cross multiply
    40,654.94x = 60,982.06 × 31,777.74
  4. Step 4: Simplify right side
    40,654.94x = 1,937,872,047.34
  5. Step 5: Solve for x
    x = 1,937,872,047.34/40,654.94
  6. Step 6: Final answer
    x = 47,666.34

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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.