Home / 29,456.64-40,599.36-21,784.32

Finding the Fourth Proportional to 29,456.64, 40,599.36 and 21,784.32

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Solution

The fourth proportional to 29,456.64, 40,599.36 and 21,784.32 is: 30,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,456.64 : 40,599.36 = 21,784.32 : x
  2. Step 2: Convert to fraction form
    29,456.64/40,599.36 = 21,784.32/x
  3. Step 3: Cross multiply
    29,456.64x = 40,599.36 × 21,784.32
  4. Step 4: Simplify right side
    29,456.64x = 884,429,450.04
  5. Step 5: Solve for x
    x = 884,429,450.04/29,456.64
  6. Step 6: Final answer
    x = 30,024.79

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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.