Home / 58,558.28-80,810.39-31,700.76

Finding the Fourth Proportional to 58,558.28, 80,810.39 and 31,700.76

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Solution

The fourth proportional to 58,558.28, 80,810.39 and 31,700.76 is: 43,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,558.28 : 80,810.39 = 31,700.76 : x
  2. Step 2: Convert to fraction form
    58,558.28/80,810.39 = 31,700.76/x
  3. Step 3: Cross multiply
    58,558.28x = 80,810.39 × 31,700.76
  4. Step 4: Simplify right side
    58,558.28x = 2,561,750,555.11
  5. Step 5: Solve for x
    x = 2,561,750,555.11/58,558.28
  6. Step 6: Final answer
    x = 43,747.03

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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.