Home / 39,065.04-53,919.40-22,307.76

Finding the Fourth Proportional to 39,065.04, 53,919.40 and 22,307.76

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Solution

The fourth proportional to 39,065.04, 53,919.40 and 22,307.76 is: 30,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,065.04 : 53,919.40 = 22,307.76 : x
  2. Step 2: Convert to fraction form
    39,065.04/53,919.40 = 22,307.76/x
  3. Step 3: Cross multiply
    39,065.04x = 53,919.40 × 22,307.76
  4. Step 4: Simplify right side
    39,065.04x = 1,202,821,034.54
  5. Step 5: Solve for x
    x = 1,202,821,034.54/39,065.04
  6. Step 6: Final answer
    x = 30,790.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.