Home / 34,077.75-47,027.28-18,970.08

Finding the Fourth Proportional to 34,077.75, 47,027.28 and 18,970.08

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Solution

The fourth proportional to 34,077.75, 47,027.28 and 18,970.08 is: 26,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,077.75 : 47,027.28 = 18,970.08 : x
  2. Step 2: Convert to fraction form
    34,077.75/47,027.28 = 18,970.08/x
  3. Step 3: Cross multiply
    34,077.75x = 47,027.28 × 18,970.08
  4. Step 4: Simplify right side
    34,077.75x = 892,111,263.78
  5. Step 5: Solve for x
    x = 892,111,263.78/34,077.75
  6. Step 6: Final answer
    x = 26,178.70

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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.