Home / 34,395.21-47,464.80-19,287.84

Finding the Fourth Proportional to 34,395.21, 47,464.80 and 19,287.84

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Solution

The fourth proportional to 34,395.21, 47,464.80 and 19,287.84 is: 26,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,395.21 : 47,464.80 = 19,287.84 : x
  2. Step 2: Convert to fraction form
    34,395.21/47,464.80 = 19,287.84/x
  3. Step 3: Cross multiply
    34,395.21x = 47,464.80 × 19,287.84
  4. Step 4: Simplify right side
    34,395.21x = 915,493,468.03
  5. Step 5: Solve for x
    x = 915,493,468.03/34,395.21
  6. Step 6: Final answer
    x = 26,616.89

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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.