Home / 34,077.99-47,026.52-18,970.15

Finding the Fourth Proportional to 34,077.99, 47,026.52 and 18,970.15

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Solution

The fourth proportional to 34,077.99, 47,026.52 and 18,970.15 is: 26,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,077.99 : 47,026.52 = 18,970.15 : x
  2. Step 2: Convert to fraction form
    34,077.99/47,026.52 = 18,970.15/x
  3. Step 3: Cross multiply
    34,077.99x = 47,026.52 × 18,970.15
  4. Step 4: Simplify right side
    34,077.99x = 892,100,043.53
  5. Step 5: Solve for x
    x = 892,100,043.53/34,077.99
  6. Step 6: Final answer
    x = 26,178.19

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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.