Home / 65,655.18-98,491.88-21,267.59

Finding the Fourth Proportional to 65,655.18, 98,491.88 and 21,267.59

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Solution

The fourth proportional to 65,655.18, 98,491.88 and 21,267.59 is: 31,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,655.18 : 98,491.88 = 21,267.59 : x
  2. Step 2: Convert to fraction form
    65,655.18/98,491.88 = 21,267.59/x
  3. Step 3: Cross multiply
    65,655.18x = 98,491.88 × 21,267.59
  4. Step 4: Simplify right side
    65,655.18x = 2,094,684,482.88
  5. Step 5: Solve for x
    x = 2,094,684,482.88/65,655.18
  6. Step 6: Final answer
    x = 31,904.33

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1.5x scale

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.