Home / 66,528.06-99,807.98-22,155.20

Finding the Fourth Proportional to 66,528.06, 99,807.98 and 22,155.20

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Solution

The fourth proportional to 66,528.06, 99,807.98 and 22,155.20 is: 33,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528.06 : 99,807.98 = 22,155.20 : x
  2. Step 2: Convert to fraction form
    66,528.06/99,807.98 = 22,155.20/x
  3. Step 3: Cross multiply
    66,528.06x = 99,807.98 × 22,155.20
  4. Step 4: Simplify right side
    66,528.06x = 2,211,265,148.68
  5. Step 5: Solve for x
    x = 2,211,265,148.68/66,528.06
  6. Step 6: Final answer
    x = 33,238.08

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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.