Home / 30,332.78-45,500.38-14,746.76

Finding the Fourth Proportional to 30,332.78, 45,500.38 and 14,746.76

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Solution

The fourth proportional to 30,332.78, 45,500.38 and 14,746.76 is: 22,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.78 : 45,500.38 = 14,746.76 : x
  2. Step 2: Convert to fraction form
    30,332.78/45,500.38 = 14,746.76/x
  3. Step 3: Cross multiply
    30,332.78x = 45,500.38 × 14,746.76
  4. Step 4: Simplify right side
    30,332.78x = 670,983,172.98
  5. Step 5: Solve for x
    x = 670,983,172.98/30,332.78
  6. Step 6: Final answer
    x = 22,120.73

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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.