Home / 30,528.18-45,809.28-16,487.91

Finding the Fourth Proportional to 30,528.18, 45,809.28 and 16,487.91

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Solution

The fourth proportional to 30,528.18, 45,809.28 and 16,487.91 is: 24,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528.18 : 45,809.28 = 16,487.91 : x
  2. Step 2: Convert to fraction form
    30,528.18/45,809.28 = 16,487.91/x
  3. Step 3: Cross multiply
    30,528.18x = 45,809.28 × 16,487.91
  4. Step 4: Simplify right side
    30,528.18x = 755,299,285.80
  5. Step 5: Solve for x
    x = 755,299,285.80/30,528.18
  6. Step 6: Final answer
    x = 24,741.05

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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.