Home / 34,308.48-47,336.22-20,156.16

Finding the Fourth Proportional to 34,308.48, 47,336.22 and 20,156.16

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Solution

The fourth proportional to 34,308.48, 47,336.22 and 20,156.16 is: 27,809.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,308.48 : 47,336.22 = 20,156.16 : x
  2. Step 2: Convert to fraction form
    34,308.48/47,336.22 = 20,156.16/x
  3. Step 3: Cross multiply
    34,308.48x = 47,336.22 × 20,156.16
  4. Step 4: Simplify right side
    34,308.48x = 954,116,424.12
  5. Step 5: Solve for x
    x = 954,116,424.12/34,308.48
  6. Step 6: Final answer
    x = 27,809.93

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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.