Home / 65,555.20-90,465.84-37,266.36

Finding the Fourth Proportional to 65,555.20, 90,465.84 and 37,266.36

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Solution

The fourth proportional to 65,555.20, 90,465.84 and 37,266.36 is: 51,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.20 : 90,465.84 = 37,266.36 : x
  2. Step 2: Convert to fraction form
    65,555.20/90,465.84 = 37,266.36/x
  3. Step 3: Cross multiply
    65,555.20x = 90,465.84 × 37,266.36
  4. Step 4: Simplify right side
    65,555.20x = 3,371,332,561.14
  5. Step 5: Solve for x
    x = 3,371,332,561.14/65,555.20
  6. Step 6: Final answer
    x = 51,427.39

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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.