Home / 65,499.13-90,388.80-37,210.28

Finding the Fourth Proportional to 65,499.13, 90,388.80 and 37,210.28

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Solution

The fourth proportional to 65,499.13, 90,388.80 and 37,210.28 is: 51,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,499.13 : 90,388.80 = 37,210.28 : x
  2. Step 2: Convert to fraction form
    65,499.13/90,388.80 = 37,210.28/x
  3. Step 3: Cross multiply
    65,499.13x = 90,388.80 × 37,210.28
  4. Step 4: Simplify right side
    65,499.13x = 3,363,392,370.81
  5. Step 5: Solve for x
    x = 3,363,392,370.81/65,499.13
  6. Step 6: Final answer
    x = 51,350.19

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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.