Home / 69,222.28-103,828.55-39,547.12

Finding the Fourth Proportional to 69,222.28, 103,828.55 and 39,547.12

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Solution

The fourth proportional to 69,222.28, 103,828.55 and 39,547.12 is: 59,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,222.28 : 103,828.55 = 39,547.12 : x
  2. Step 2: Convert to fraction form
    69,222.28/103,828.55 = 39,547.12/x
  3. Step 3: Cross multiply
    69,222.28x = 103,828.55 × 39,547.12
  4. Step 4: Simplify right side
    69,222.28x = 4,106,120,126.28
  5. Step 5: Solve for x
    x = 4,106,120,126.28/69,222.28
  6. Step 6: Final answer
    x = 59,317.90

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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.