Home / 58,681.11-88,028.49-21,258.80

Finding the Fourth Proportional to 58,681.11, 88,028.49 and 21,258.80

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Solution

The fourth proportional to 58,681.11, 88,028.49 and 21,258.80 is: 31,890.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,681.11 : 88,028.49 = 21,258.80 : x
  2. Step 2: Convert to fraction form
    58,681.11/88,028.49 = 21,258.80/x
  3. Step 3: Cross multiply
    58,681.11x = 88,028.49 × 21,258.80
  4. Step 4: Simplify right side
    58,681.11x = 1,871,380,063.21
  5. Step 5: Solve for x
    x = 1,871,380,063.21/58,681.11
  6. Step 6: Final answer
    x = 31,890.67

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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.