Home / 47,272.69-70,925.37-20,995.84

Finding the Fourth Proportional to 47,272.69, 70,925.37 and 20,995.84

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Solution

The fourth proportional to 47,272.69, 70,925.37 and 20,995.84 is: 31,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,272.69 : 70,925.37 = 20,995.84 : x
  2. Step 2: Convert to fraction form
    47,272.69/70,925.37 = 20,995.84/x
  3. Step 3: Cross multiply
    47,272.69x = 70,925.37 × 20,995.84
  4. Step 4: Simplify right side
    47,272.69x = 1,489,137,720.46
  5. Step 5: Solve for x
    x = 1,489,137,720.46/47,272.69
  6. Step 6: Final answer
    x = 31,501.02

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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.