Home / 34,077.79-47,029.16-18,971.77

Finding the Fourth Proportional to 34,077.79, 47,029.16 and 18,971.77

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Solution

The fourth proportional to 34,077.79, 47,029.16 and 18,971.77 is: 26,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,077.79 : 47,029.16 = 18,971.77 : x
  2. Step 2: Convert to fraction form
    34,077.79/47,029.16 = 18,971.77/x
  3. Step 3: Cross multiply
    34,077.79x = 47,029.16 × 18,971.77
  4. Step 4: Simplify right side
    34,077.79x = 892,226,318.13
  5. Step 5: Solve for x
    x = 892,226,318.13/34,077.79
  6. Step 6: Final answer
    x = 26,182.05

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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.