Home / 32,619.51-45,015.03-18,475.02

Finding the Fourth Proportional to 32,619.51, 45,015.03 and 18,475.02

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Solution

The fourth proportional to 32,619.51, 45,015.03 and 18,475.02 is: 25,495.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,619.51 : 45,015.03 = 18,475.02 : x
  2. Step 2: Convert to fraction form
    32,619.51/45,015.03 = 18,475.02/x
  3. Step 3: Cross multiply
    32,619.51x = 45,015.03 × 18,475.02
  4. Step 4: Simplify right side
    32,619.51x = 831,653,579.55
  5. Step 5: Solve for x
    x = 831,653,579.55/32,619.51
  6. Step 6: Final answer
    x = 25,495.59

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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.