Home / 30,124.44-41,557.74-19,517.64

Finding the Fourth Proportional to 30,124.44, 41,557.74 and 19,517.64

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Solution

The fourth proportional to 30,124.44, 41,557.74 and 19,517.64 is: 26,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.44 : 41,557.74 = 19,517.64 : x
  2. Step 2: Convert to fraction form
    30,124.44/41,557.74 = 19,517.64/x
  3. Step 3: Cross multiply
    30,124.44x = 41,557.74 × 19,517.64
  4. Step 4: Simplify right side
    30,124.44x = 811,109,008.53
  5. Step 5: Solve for x
    x = 811,109,008.53/30,124.44
  6. Step 6: Final answer
    x = 26,925.28

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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.