Home / 46,949.76-70,423.20-18,861.12

Finding the Fourth Proportional to 46,949.76, 70,423.20 and 18,861.12

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Solution

The fourth proportional to 46,949.76, 70,423.20 and 18,861.12 is: 28,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,949.76 : 70,423.20 = 18,861.12 : x
  2. Step 2: Convert to fraction form
    46,949.76/70,423.20 = 18,861.12/x
  3. Step 3: Cross multiply
    46,949.76x = 70,423.20 × 18,861.12
  4. Step 4: Simplify right side
    46,949.76x = 1,328,260,425.98
  5. Step 5: Solve for x
    x = 1,328,260,425.98/46,949.76
  6. Step 6: Final answer
    x = 28,291.10

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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.