Home / 32,975.28-45,509.88-18,635.72

Finding the Fourth Proportional to 32,975.28, 45,509.88 and 18,635.72

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Solution

The fourth proportional to 32,975.28, 45,509.88 and 18,635.72 is: 25,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,975.28 : 45,509.88 = 18,635.72 : x
  2. Step 2: Convert to fraction form
    32,975.28/45,509.88 = 18,635.72/x
  3. Step 3: Cross multiply
    32,975.28x = 45,509.88 × 18,635.72
  4. Step 4: Simplify right side
    32,975.28x = 848,109,223.25
  5. Step 5: Solve for x
    x = 848,109,223.25/32,975.28
  6. Step 6: Final answer
    x = 25,719.55

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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.