Home / 65,427.60-90,283.32-36,750.48

Finding the Fourth Proportional to 65,427.60, 90,283.32 and 36,750.48

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Solution

The fourth proportional to 65,427.60, 90,283.32 and 36,750.48 is: 50,711.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,427.60 : 90,283.32 = 36,750.48 : x
  2. Step 2: Convert to fraction form
    65,427.60/90,283.32 = 36,750.48/x
  3. Step 3: Cross multiply
    65,427.60x = 90,283.32 × 36,750.48
  4. Step 4: Simplify right side
    65,427.60x = 3,317,955,345.99
  5. Step 5: Solve for x
    x = 3,317,955,345.99/65,427.60
  6. Step 6: Final answer
    x = 50,711.86

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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.