Home / 34,499.36-47,580.24-21,228.32

Finding the Fourth Proportional to 34,499.36, 47,580.24 and 21,228.32

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Solution

The fourth proportional to 34,499.36, 47,580.24 and 21,228.32 is: 29,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,499.36 : 47,580.24 = 21,228.32 : x
  2. Step 2: Convert to fraction form
    34,499.36/47,580.24 = 21,228.32/x
  3. Step 3: Cross multiply
    34,499.36x = 47,580.24 × 21,228.32
  4. Step 4: Simplify right side
    34,499.36x = 1,010,048,560.40
  5. Step 5: Solve for x
    x = 1,010,048,560.40/34,499.36
  6. Step 6: Final answer
    x = 29,277.31

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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.