Home / 29,721.28-44,579.04-21,440.32

Finding the Fourth Proportional to 29,721.28, 44,579.04 and 21,440.32

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Solution

The fourth proportional to 29,721.28, 44,579.04 and 21,440.32 is: 32,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,721.28 : 44,579.04 = 21,440.32 : x
  2. Step 2: Convert to fraction form
    29,721.28/44,579.04 = 21,440.32/x
  3. Step 3: Cross multiply
    29,721.28x = 44,579.04 × 21,440.32
  4. Step 4: Simplify right side
    29,721.28x = 955,788,882.89
  5. Step 5: Solve for x
    x = 955,788,882.89/29,721.28
  6. Step 6: Final answer
    x = 32,158.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.