Home / 45,219.24-67,830.48-18,887.76

Finding the Fourth Proportional to 45,219.24, 67,830.48 and 18,887.76

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Solution

The fourth proportional to 45,219.24, 67,830.48 and 18,887.76 is: 28,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219.24 : 67,830.48 = 18,887.76 : x
  2. Step 2: Convert to fraction form
    45,219.24/67,830.48 = 18,887.76/x
  3. Step 3: Cross multiply
    45,219.24x = 67,830.48 × 18,887.76
  4. Step 4: Simplify right side
    45,219.24x = 1,281,165,826.92
  5. Step 5: Solve for x
    x = 1,281,165,826.92/45,219.24
  6. Step 6: Final answer
    x = 28,332.32

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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.