Home / 42,947.46-59,255.38-27,840.76

Finding the Fourth Proportional to 42,947.46, 59,255.38 and 27,840.76

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Solution

The fourth proportional to 42,947.46, 59,255.38 and 27,840.76 is: 38,412.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,947.46 : 59,255.38 = 27,840.76 : x
  2. Step 2: Convert to fraction form
    42,947.46/59,255.38 = 27,840.76/x
  3. Step 3: Cross multiply
    42,947.46x = 59,255.38 × 27,840.76
  4. Step 4: Simplify right side
    42,947.46x = 1,649,714,699.95
  5. Step 5: Solve for x
    x = 1,649,714,699.95/42,947.46
  6. Step 6: Final answer
    x = 38,412.39

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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.