Home / 32,513.51-44,867.26-20,420.31

Finding the Fourth Proportional to 32,513.51, 44,867.26 and 20,420.31

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Solution

The fourth proportional to 32,513.51, 44,867.26 and 20,420.31 is: 28,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,513.51 : 44,867.26 = 20,420.31 : x
  2. Step 2: Convert to fraction form
    32,513.51/44,867.26 = 20,420.31/x
  3. Step 3: Cross multiply
    32,513.51x = 44,867.26 × 20,420.31
  4. Step 4: Simplify right side
    32,513.51x = 916,203,409.10
  5. Step 5: Solve for x
    x = 916,203,409.10/32,513.51
  6. Step 6: Final answer
    x = 28,179.16

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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.