Home / 48,531.60-66,970.80-27,309.60

Finding the Fourth Proportional to 48,531.60, 66,970.80 and 27,309.60

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Solution

The fourth proportional to 48,531.60, 66,970.80 and 27,309.60 is: 37,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,531.60 : 66,970.80 = 27,309.60 : x
  2. Step 2: Convert to fraction form
    48,531.60/66,970.80 = 27,309.60/x
  3. Step 3: Cross multiply
    48,531.60x = 66,970.80 × 27,309.60
  4. Step 4: Simplify right side
    48,531.60x = 1,828,945,759.68
  5. Step 5: Solve for x
    x = 1,828,945,759.68/48,531.60
  6. Step 6: Final answer
    x = 37,685.67

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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.