Home / 47,269.78-70,908.63-12,210.10

Finding the Fourth Proportional to 47,269.78, 70,908.63 and 12,210.10

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Solution

The fourth proportional to 47,269.78, 70,908.63 and 12,210.10 is: 18,316.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,269.78 : 70,908.63 = 12,210.10 : x
  2. Step 2: Convert to fraction form
    47,269.78/70,908.63 = 12,210.10/x
  3. Step 3: Cross multiply
    47,269.78x = 70,908.63 × 12,210.10
  4. Step 4: Simplify right side
    47,269.78x = 865,801,463.16
  5. Step 5: Solve for x
    x = 865,801,463.16/47,269.78
  6. Step 6: Final answer
    x = 18,316.17

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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.