Home / 30,643.12-45,921.84-16,572.76

Finding the Fourth Proportional to 30,643.12, 45,921.84 and 16,572.76

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Solution

The fourth proportional to 30,643.12, 45,921.84 and 16,572.76 is: 24,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,643.12 : 45,921.84 = 16,572.76 : x
  2. Step 2: Convert to fraction form
    30,643.12/45,921.84 = 16,572.76/x
  3. Step 3: Cross multiply
    30,643.12x = 45,921.84 × 16,572.76
  4. Step 4: Simplify right side
    30,643.12x = 761,051,633.08
  5. Step 5: Solve for x
    x = 761,051,633.08/30,643.12
  6. Step 6: Final answer
    x = 24,835.97

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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.