Home / 30,956.86-42,719.30-17,525.44

Finding the Fourth Proportional to 30,956.86, 42,719.30 and 17,525.44

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Solution

The fourth proportional to 30,956.86, 42,719.30 and 17,525.44 is: 24,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,956.86 : 42,719.30 = 17,525.44 : x
  2. Step 2: Convert to fraction form
    30,956.86/42,719.30 = 17,525.44/x
  3. Step 3: Cross multiply
    30,956.86x = 42,719.30 × 17,525.44
  4. Step 4: Simplify right side
    30,956.86x = 748,674,441.36
  5. Step 5: Solve for x
    x = 748,674,441.36/30,956.86
  6. Step 6: Final answer
    x = 24,184.44

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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.