Home / 34,218.56-47,208.36-20,066.24

Finding the Fourth Proportional to 34,218.56, 47,208.36 and 20,066.24

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Solution

The fourth proportional to 34,218.56, 47,208.36 and 20,066.24 is: 27,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,218.56 : 47,208.36 = 20,066.24 : x
  2. Step 2: Convert to fraction form
    34,218.56/47,208.36 = 20,066.24/x
  3. Step 3: Cross multiply
    34,218.56x = 47,208.36 × 20,066.24
  4. Step 4: Simplify right side
    34,218.56x = 947,294,281.77
  5. Step 5: Solve for x
    x = 947,294,281.77/34,218.56
  6. Step 6: Final answer
    x = 27,683.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.