Home / 32,830.57-45,279.43-20,873.35

Finding the Fourth Proportional to 32,830.57, 45,279.43 and 20,873.35

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Solution

The fourth proportional to 32,830.57, 45,279.43 and 20,873.35 is: 28,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,830.57 : 45,279.43 = 20,873.35 : x
  2. Step 2: Convert to fraction form
    32,830.57/45,279.43 = 20,873.35/x
  3. Step 3: Cross multiply
    32,830.57x = 45,279.43 × 20,873.35
  4. Step 4: Simplify right side
    32,830.57x = 945,133,390.19
  5. Step 5: Solve for x
    x = 945,133,390.19/32,830.57
  6. Step 6: Final answer
    x = 28,788.21

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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.