Home / 51,606.95-71,135.28-38,840.94

Finding the Fourth Proportional to 51,606.95, 71,135.28 and 38,840.94

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Solution

The fourth proportional to 51,606.95, 71,135.28 and 38,840.94 is: 53,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,606.95 : 71,135.28 = 38,840.94 : x
  2. Step 2: Convert to fraction form
    51,606.95/71,135.28 = 38,840.94/x
  3. Step 3: Cross multiply
    51,606.95x = 71,135.28 × 38,840.94
  4. Step 4: Simplify right side
    51,606.95x = 2,762,961,142.36
  5. Step 5: Solve for x
    x = 2,762,961,142.36/51,606.95
  6. Step 6: Final answer
    x = 53,538.55

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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.