Home / 38,322.60-57,485.40-13,365.18

Finding the Fourth Proportional to 38,322.60, 57,485.40 and 13,365.18

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Solution

The fourth proportional to 38,322.60, 57,485.40 and 13,365.18 is: 20,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,322.60 : 57,485.40 = 13,365.18 : x
  2. Step 2: Convert to fraction form
    38,322.60/57,485.40 = 13,365.18/x
  3. Step 3: Cross multiply
    38,322.60x = 57,485.40 × 13,365.18
  4. Step 4: Simplify right side
    38,322.60x = 768,302,718.37
  5. Step 5: Solve for x
    x = 768,302,718.37/38,322.60
  6. Step 6: Final answer
    x = 20,048.29

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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.