Home / 39,583.02-54,624.65-21,433.94

Finding the Fourth Proportional to 39,583.02, 54,624.65 and 21,433.94

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Solution

The fourth proportional to 39,583.02, 54,624.65 and 21,433.94 is: 29,578.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,583.02 : 54,624.65 = 21,433.94 : x
  2. Step 2: Convert to fraction form
    39,583.02/54,624.65 = 21,433.94/x
  3. Step 3: Cross multiply
    39,583.02x = 54,624.65 × 21,433.94
  4. Step 4: Simplify right side
    39,583.02x = 1,170,821,660.77
  5. Step 5: Solve for x
    x = 1,170,821,660.77/39,583.02
  6. Step 6: Final answer
    x = 29,578.89

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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.