Home / 66,217.56-99,347.08-21,875.46

Finding the Fourth Proportional to 66,217.56, 99,347.08 and 21,875.46

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Solution

The fourth proportional to 66,217.56, 99,347.08 and 21,875.46 is: 32,820.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,217.56 : 99,347.08 = 21,875.46 : x
  2. Step 2: Convert to fraction form
    66,217.56/99,347.08 = 21,875.46/x
  3. Step 3: Cross multiply
    66,217.56x = 99,347.08 × 21,875.46
  4. Step 4: Simplify right side
    66,217.56x = 2,173,263,074.66
  5. Step 5: Solve for x
    x = 2,173,263,074.66/66,217.56
  6. Step 6: Final answer
    x = 32,820.04

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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.