Home / 65,459.13-90,334.20-37,165.42

Finding the Fourth Proportional to 65,459.13, 90,334.20 and 37,165.42

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Solution

The fourth proportional to 65,459.13, 90,334.20 and 37,165.42 is: 51,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,459.13 : 90,334.20 = 37,165.42 : x
  2. Step 2: Convert to fraction form
    65,459.13/90,334.20 = 37,165.42/x
  3. Step 3: Cross multiply
    65,459.13x = 90,334.20 × 37,165.42
  4. Step 4: Simplify right side
    65,459.13x = 3,357,308,483.36
  5. Step 5: Solve for x
    x = 3,357,308,483.36/65,459.13
  6. Step 6: Final answer
    x = 51,288.62

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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.