Home / 47,266.98-65,188.70-28,400.46

Finding the Fourth Proportional to 47,266.98, 65,188.70 and 28,400.46

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Solution

The fourth proportional to 47,266.98, 65,188.70 and 28,400.46 is: 39,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,266.98 : 65,188.70 = 28,400.46 : x
  2. Step 2: Convert to fraction form
    47,266.98/65,188.70 = 28,400.46/x
  3. Step 3: Cross multiply
    47,266.98x = 65,188.70 × 28,400.46
  4. Step 4: Simplify right side
    47,266.98x = 1,851,389,066.80
  5. Step 5: Solve for x
    x = 1,851,389,066.80/47,266.98
  6. Step 6: Final answer
    x = 39,168.76

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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.