Home / 30,439.58-45,596.48-17,921.04

Finding the Fourth Proportional to 30,439.58, 45,596.48 and 17,921.04

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Solution

The fourth proportional to 30,439.58, 45,596.48 and 17,921.04 is: 26,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,439.58 : 45,596.48 = 17,921.04 : x
  2. Step 2: Convert to fraction form
    30,439.58/45,596.48 = 17,921.04/x
  3. Step 3: Cross multiply
    30,439.58x = 45,596.48 × 17,921.04
  4. Step 4: Simplify right side
    30,439.58x = 817,136,341.94
  5. Step 5: Solve for x
    x = 817,136,341.94/30,439.58
  6. Step 6: Final answer
    x = 26,844.53

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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.