Home / 85,497.69-128,246.57-22,317.64

Finding the Fourth Proportional to 85,497.69, 128,246.57 and 22,317.64

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Solution

The fourth proportional to 85,497.69, 128,246.57 and 22,317.64 is: 33,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,497.69 : 128,246.57 = 22,317.64 : x
  2. Step 2: Convert to fraction form
    85,497.69/128,246.57 = 22,317.64/x
  3. Step 3: Cross multiply
    85,497.69x = 128,246.57 × 22,317.64
  4. Step 4: Simplify right side
    85,497.69x = 2,862,160,780.49
  5. Step 5: Solve for x
    x = 2,862,160,780.49/85,497.69
  6. Step 6: Final answer
    x = 33,476.47

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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.