Home / 66,051.70-99,089.55-21,666.10

Finding the Fourth Proportional to 66,051.70, 99,089.55 and 21,666.10

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Solution

The fourth proportional to 66,051.70, 99,089.55 and 21,666.10 is: 32,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051.70 : 99,089.55 = 21,666.10 : x
  2. Step 2: Convert to fraction form
    66,051.70/99,089.55 = 21,666.10/x
  3. Step 3: Cross multiply
    66,051.70x = 99,089.55 × 21,666.10
  4. Step 4: Simplify right side
    66,051.70x = 2,146,884,099.26
  5. Step 5: Solve for x
    x = 2,146,884,099.26/66,051.70
  6. Step 6: Final answer
    x = 32,503.09

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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.