Home / 38,735.24-53,459.99-21,740.50

Finding the Fourth Proportional to 38,735.24, 53,459.99 and 21,740.50

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Solution

The fourth proportional to 38,735.24, 53,459.99 and 21,740.50 is: 30,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,735.24 : 53,459.99 = 21,740.50 : x
  2. Step 2: Convert to fraction form
    38,735.24/53,459.99 = 21,740.50/x
  3. Step 3: Cross multiply
    38,735.24x = 53,459.99 × 21,740.50
  4. Step 4: Simplify right side
    38,735.24x = 1,162,246,645.30
  5. Step 5: Solve for x
    x = 1,162,246,645.30/38,735.24
  6. Step 6: Final answer
    x = 30,004.89

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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.