Home / 30,543.76-45,820.62-10,818.04

Finding the Fourth Proportional to 30,543.76, 45,820.62 and 10,818.04

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Solution

The fourth proportional to 30,543.76, 45,820.62 and 10,818.04 is: 16,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543.76 : 45,820.62 = 10,818.04 : x
  2. Step 2: Convert to fraction form
    30,543.76/45,820.62 = 10,818.04/x
  3. Step 3: Cross multiply
    30,543.76x = 45,820.62 × 10,818.04
  4. Step 4: Simplify right side
    30,543.76x = 495,689,299.98
  5. Step 5: Solve for x
    x = 495,689,299.98/30,543.76
  6. Step 6: Final answer
    x = 16,228.82

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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.