Home / 65,875.12-98,828.42-21,501.95

Finding the Fourth Proportional to 65,875.12, 98,828.42 and 21,501.95

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Solution

The fourth proportional to 65,875.12, 98,828.42 and 21,501.95 is: 32,258.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,875.12 : 98,828.42 = 21,501.95 : x
  2. Step 2: Convert to fraction form
    65,875.12/98,828.42 = 21,501.95/x
  3. Step 3: Cross multiply
    65,875.12x = 98,828.42 × 21,501.95
  4. Step 4: Simplify right side
    65,875.12x = 2,125,003,745.42
  5. Step 5: Solve for x
    x = 2,125,003,745.42/65,875.12
  6. Step 6: Final answer
    x = 32,258.06

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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.