Home / 47,120.13-70,678.37-15,955.38

Finding the Fourth Proportional to 47,120.13, 70,678.37 and 15,955.38

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Solution

The fourth proportional to 47,120.13, 70,678.37 and 15,955.38 is: 23,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,120.13 : 70,678.37 = 15,955.38 : x
  2. Step 2: Convert to fraction form
    47,120.13/70,678.37 = 15,955.38/x
  3. Step 3: Cross multiply
    47,120.13x = 70,678.37 × 15,955.38
  4. Step 4: Simplify right side
    47,120.13x = 1,127,700,291.02
  5. Step 5: Solve for x
    x = 1,127,700,291.02/47,120.13
  6. Step 6: Final answer
    x = 23,932.45

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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.