Home / 34,316.64-47,348.40-20,166.72

Finding the Fourth Proportional to 34,316.64, 47,348.40 and 20,166.72

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Solution

The fourth proportional to 34,316.64, 47,348.40 and 20,166.72 is: 27,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,316.64 : 47,348.40 = 20,166.72 : x
  2. Step 2: Convert to fraction form
    34,316.64/47,348.40 = 20,166.72/x
  3. Step 3: Cross multiply
    34,316.64x = 47,348.40 × 20,166.72
  4. Step 4: Simplify right side
    34,316.64x = 954,861,925.25
  5. Step 5: Solve for x
    x = 954,861,925.25/34,316.64
  6. Step 6: Final answer
    x = 27,825.04

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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.