Home / 34,345.50-51,512.18-15,621.14

Finding the Fourth Proportional to 34,345.50, 51,512.18 and 15,621.14

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Solution

The fourth proportional to 34,345.50, 51,512.18 and 15,621.14 is: 23,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,345.50 : 51,512.18 = 15,621.14 : x
  2. Step 2: Convert to fraction form
    34,345.50/51,512.18 = 15,621.14/x
  3. Step 3: Cross multiply
    34,345.50x = 51,512.18 × 15,621.14
  4. Step 4: Simplify right side
    34,345.50x = 804,678,639.82
  5. Step 5: Solve for x
    x = 804,678,639.82/34,345.50
  6. Step 6: Final answer
    x = 23,428.94

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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.