Home / 33,113.40-49,637.70-13,365.60

Finding the Fourth Proportional to 33,113.40, 49,637.70 and 13,365.60

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Solution

The fourth proportional to 33,113.40, 49,637.70 and 13,365.60 is: 20,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,113.40 : 49,637.70 = 13,365.60 : x
  2. Step 2: Convert to fraction form
    33,113.40/49,637.70 = 13,365.60/x
  3. Step 3: Cross multiply
    33,113.40x = 49,637.70 × 13,365.60
  4. Step 4: Simplify right side
    33,113.40x = 663,437,643.12
  5. Step 5: Solve for x
    x = 663,437,643.12/33,113.40
  6. Step 6: Final answer
    x = 20,035.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.