Home / 58,680.61-88,027.74-21,258.30

Finding the Fourth Proportional to 58,680.61, 88,027.74 and 21,258.30

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Solution

The fourth proportional to 58,680.61, 88,027.74 and 21,258.30 is: 31,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,680.61 : 88,027.74 = 21,258.30 : x
  2. Step 2: Convert to fraction form
    58,680.61/88,027.74 = 21,258.30/x
  3. Step 3: Cross multiply
    58,680.61x = 88,027.74 × 21,258.30
  4. Step 4: Simplify right side
    58,680.61x = 1,871,320,105.24
  5. Step 5: Solve for x
    x = 1,871,320,105.24/58,680.61
  6. Step 6: Final answer
    x = 31,889.92

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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.