Home / 34,485.05-47,590.77-19,377.66

Finding the Fourth Proportional to 34,485.05, 47,590.77 and 19,377.66

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Solution

The fourth proportional to 34,485.05, 47,590.77 and 19,377.66 is: 26,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,485.05 : 47,590.77 = 19,377.66 : x
  2. Step 2: Convert to fraction form
    34,485.05/47,590.77 = 19,377.66/x
  3. Step 3: Cross multiply
    34,485.05x = 47,590.77 × 19,377.66
  4. Step 4: Simplify right side
    34,485.05x = 922,197,760.20
  5. Step 5: Solve for x
    x = 922,197,760.20/34,485.05
  6. Step 6: Final answer
    x = 26,741.96

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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.