Home / 65,521.87-90,427.71-36,453.13

Finding the Fourth Proportional to 65,521.87, 90,427.71 and 36,453.13

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Solution

The fourth proportional to 65,521.87, 90,427.71 and 36,453.13 is: 50,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,521.87 : 90,427.71 = 36,453.13 : x
  2. Step 2: Convert to fraction form
    65,521.87/90,427.71 = 36,453.13/x
  3. Step 3: Cross multiply
    65,521.87x = 90,427.71 × 36,453.13
  4. Step 4: Simplify right side
    65,521.87x = 3,296,373,068.23
  5. Step 5: Solve for x
    x = 3,296,373,068.23/65,521.87
  6. Step 6: Final answer
    x = 50,309.51

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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.