Home / 47,261.45-70,892.17-13,978.92

Finding the Fourth Proportional to 47,261.45, 70,892.17 and 13,978.92

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Solution

The fourth proportional to 47,261.45, 70,892.17 and 13,978.92 is: 20,968.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261.45 : 70,892.17 = 13,978.92 : x
  2. Step 2: Convert to fraction form
    47,261.45/70,892.17 = 13,978.92/x
  3. Step 3: Cross multiply
    47,261.45x = 70,892.17 × 13,978.92
  4. Step 4: Simplify right side
    47,261.45x = 990,995,973.06
  5. Step 5: Solve for x
    x = 990,995,973.06/47,261.45
  6. Step 6: Final answer
    x = 20,968.38

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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.