Home / 58,715.40-81,031.22-33,221.73

Finding the Fourth Proportional to 58,715.40, 81,031.22 and 33,221.73

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Solution

The fourth proportional to 58,715.40, 81,031.22 and 33,221.73 is: 45,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,715.40 : 81,031.22 = 33,221.73 : x
  2. Step 2: Convert to fraction form
    58,715.40/81,031.22 = 33,221.73/x
  3. Step 3: Cross multiply
    58,715.40x = 81,031.22 × 33,221.73
  4. Step 4: Simplify right side
    58,715.40x = 2,691,997,312.41
  5. Step 5: Solve for x
    x = 2,691,997,312.41/58,715.40
  6. Step 6: Final answer
    x = 45,848.23

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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.