Home / 65,981.08-98,976.30-26,538.40

Finding the Fourth Proportional to 65,981.08, 98,976.30 and 26,538.40

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Solution

The fourth proportional to 65,981.08, 98,976.30 and 26,538.40 is: 39,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,981.08 : 98,976.30 = 26,538.40 : x
  2. Step 2: Convert to fraction form
    65,981.08/98,976.30 = 26,538.40/x
  3. Step 3: Cross multiply
    65,981.08x = 98,976.30 × 26,538.40
  4. Step 4: Simplify right side
    65,981.08x = 2,626,672,639.92
  5. Step 5: Solve for x
    x = 2,626,672,639.92/65,981.08
  6. Step 6: Final answer
    x = 39,809.48

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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.