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Finding the Fourth Proportional to 65,866.04, 98,814.83 and 21,492.89

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Solution

The fourth proportional to 65,866.04, 98,814.83 and 21,492.89 is: 32,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,866.04 : 98,814.83 = 21,492.89 : x
  2. Step 2: Convert to fraction form
    65,866.04/98,814.83 = 21,492.89/x
  3. Step 3: Cross multiply
    65,866.04x = 98,814.83 × 21,492.89
  4. Step 4: Simplify right side
    65,866.04x = 2,123,816,271.56
  5. Step 5: Solve for x
    x = 2,123,816,271.56/65,866.04
  6. Step 6: Final answer
    x = 32,244.48

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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.