Home / 65,751.96-98,633.40-28,312.95

Finding the Fourth Proportional to 65,751.96, 98,633.40 and 28,312.95

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Solution

The fourth proportional to 65,751.96, 98,633.40 and 28,312.95 is: 42,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,751.96 : 98,633.40 = 28,312.95 : x
  2. Step 2: Convert to fraction form
    65,751.96/98,633.40 = 28,312.95/x
  3. Step 3: Cross multiply
    65,751.96x = 98,633.40 × 28,312.95
  4. Step 4: Simplify right side
    65,751.96x = 2,792,602,522.53
  5. Step 5: Solve for x
    x = 2,792,602,522.53/65,751.96
  6. Step 6: Final answer
    x = 42,471.78

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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.