Home / 34,740.61-47,941.88-18,825.05

Finding the Fourth Proportional to 34,740.61, 47,941.88 and 18,825.05

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Solution

The fourth proportional to 34,740.61, 47,941.88 and 18,825.05 is: 25,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,740.61 : 47,941.88 = 18,825.05 : x
  2. Step 2: Convert to fraction form
    34,740.61/47,941.88 = 18,825.05/x
  3. Step 3: Cross multiply
    34,740.61x = 47,941.88 × 18,825.05
  4. Step 4: Simplify right side
    34,740.61x = 902,508,313.82
  5. Step 5: Solve for x
    x = 902,508,313.82/34,740.61
  6. Step 6: Final answer
    x = 25,978.48

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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.