Home / 34,740.16-47,941.28-18,824.60

Finding the Fourth Proportional to 34,740.16, 47,941.28 and 18,824.60

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Solution

The fourth proportional to 34,740.16, 47,941.28 and 18,824.60 is: 25,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,740.16 : 47,941.28 = 18,824.60 : x
  2. Step 2: Convert to fraction form
    34,740.16/47,941.28 = 18,824.60/x
  3. Step 3: Cross multiply
    34,740.16x = 47,941.28 × 18,824.60
  4. Step 4: Simplify right side
    34,740.16x = 902,475,419.49
  5. Step 5: Solve for x
    x = 902,475,419.49/34,740.16
  6. Step 6: Final answer
    x = 25,977.87

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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.