Home / 66,250.02-99,378.24-21,875.79

Finding the Fourth Proportional to 66,250.02, 99,378.24 and 21,875.79

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Solution

The fourth proportional to 66,250.02, 99,378.24 and 21,875.79 is: 32,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,250.02 : 99,378.24 = 21,875.79 : x
  2. Step 2: Convert to fraction form
    66,250.02/99,378.24 = 21,875.79/x
  3. Step 3: Cross multiply
    66,250.02x = 99,378.24 × 21,875.79
  4. Step 4: Simplify right side
    66,250.02x = 2,173,977,508.81
  5. Step 5: Solve for x
    x = 2,173,977,508.81/66,250.02
  6. Step 6: Final answer
    x = 32,814.74

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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.