Home / 39,470.02-54,467.99-21,564.64

Finding the Fourth Proportional to 39,470.02, 54,467.99 and 21,564.64

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Solution

The fourth proportional to 39,470.02, 54,467.99 and 21,564.64 is: 29,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.02 : 54,467.99 = 21,564.64 : x
  2. Step 2: Convert to fraction form
    39,470.02/54,467.99 = 21,564.64/x
  3. Step 3: Cross multiply
    39,470.02x = 54,467.99 × 21,564.64
  4. Step 4: Simplify right side
    39,470.02x = 1,174,582,834.90
  5. Step 5: Solve for x
    x = 1,174,582,834.90/39,470.02
  6. Step 6: Final answer
    x = 29,758.86

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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.