Home / 34,078.41-47,026.80-18,970.63

Finding the Fourth Proportional to 34,078.41, 47,026.80 and 18,970.63

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Solution

The fourth proportional to 34,078.41, 47,026.80 and 18,970.63 is: 26,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,078.41 : 47,026.80 = 18,970.63 : x
  2. Step 2: Convert to fraction form
    34,078.41/47,026.80 = 18,970.63/x
  3. Step 3: Cross multiply
    34,078.41x = 47,026.80 × 18,970.63
  4. Step 4: Simplify right side
    34,078.41x = 892,127,905.32
  5. Step 5: Solve for x
    x = 892,127,905.32/34,078.41
  6. Step 6: Final answer
    x = 26,178.68

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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.