Home / 47,146.36-70,721.52-18,683.20

Finding the Fourth Proportional to 47,146.36, 70,721.52 and 18,683.20

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Solution

The fourth proportional to 47,146.36, 70,721.52 and 18,683.20 is: 28,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,146.36 : 70,721.52 = 18,683.20 : x
  2. Step 2: Convert to fraction form
    47,146.36/70,721.52 = 18,683.20/x
  3. Step 3: Cross multiply
    47,146.36x = 70,721.52 × 18,683.20
  4. Step 4: Simplify right side
    47,146.36x = 1,321,304,302.46
  5. Step 5: Solve for x
    x = 1,321,304,302.46/47,146.36
  6. Step 6: Final answer
    x = 28,025.58

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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.