Home / 32,746.31-45,189.88-18,406.22

Finding the Fourth Proportional to 32,746.31, 45,189.88 and 18,406.22

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Solution

The fourth proportional to 32,746.31, 45,189.88 and 18,406.22 is: 25,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,746.31 : 45,189.88 = 18,406.22 : x
  2. Step 2: Convert to fraction form
    32,746.31/45,189.88 = 18,406.22/x
  3. Step 3: Cross multiply
    32,746.31x = 45,189.88 × 18,406.22
  4. Step 4: Simplify right side
    32,746.31x = 831,774,601.09
  5. Step 5: Solve for x
    x = 831,774,601.09/32,746.31
  6. Step 6: Final answer
    x = 25,400.56

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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.