Home / 47,029.05-70,543.71-18,940.68

Finding the Fourth Proportional to 47,029.05, 70,543.71 and 18,940.68

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Solution

The fourth proportional to 47,029.05, 70,543.71 and 18,940.68 is: 28,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029.05 : 70,543.71 = 18,940.68 : x
  2. Step 2: Convert to fraction form
    47,029.05/70,543.71 = 18,940.68/x
  3. Step 3: Cross multiply
    47,029.05x = 70,543.71 × 18,940.68
  4. Step 4: Simplify right side
    47,029.05x = 1,336,145,837.12
  5. Step 5: Solve for x
    x = 1,336,145,837.12/47,029.05
  6. Step 6: Final answer
    x = 28,411.07

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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.