Home / 32,707.44-45,138.60-18,561.20

Finding the Fourth Proportional to 32,707.44, 45,138.60 and 18,561.20

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Solution

The fourth proportional to 32,707.44, 45,138.60 and 18,561.20 is: 25,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,707.44 : 45,138.60 = 18,561.20 : x
  2. Step 2: Convert to fraction form
    32,707.44/45,138.60 = 18,561.20/x
  3. Step 3: Cross multiply
    32,707.44x = 45,138.60 × 18,561.20
  4. Step 4: Simplify right side
    32,707.44x = 837,826,356.63
  5. Step 5: Solve for x
    x = 837,826,356.63/32,707.44
  6. Step 6: Final answer
    x = 25,615.77

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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.