Home / 40,681.53-56,146.40-22,777.69

Finding the Fourth Proportional to 40,681.53, 56,146.40 and 22,777.69

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Solution

The fourth proportional to 40,681.53, 56,146.40 and 22,777.69 is: 31,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,681.53 : 56,146.40 = 22,777.69 : x
  2. Step 2: Convert to fraction form
    40,681.53/56,146.40 = 22,777.69/x
  3. Step 3: Cross multiply
    40,681.53x = 56,146.40 × 22,777.69
  4. Step 4: Simplify right side
    40,681.53x = 1,278,885,293.82
  5. Step 5: Solve for x
    x = 1,278,885,293.82/40,681.53
  6. Step 6: Final answer
    x = 31,436.51

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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.