Home / 43,303.60-64,906.80-18,339.40

Finding the Fourth Proportional to 43,303.60, 64,906.80 and 18,339.40

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Solution

The fourth proportional to 43,303.60, 64,906.80 and 18,339.40 is: 27,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,303.60 : 64,906.80 = 18,339.40 : x
  2. Step 2: Convert to fraction form
    43,303.60/64,906.80 = 18,339.40/x
  3. Step 3: Cross multiply
    43,303.60x = 64,906.80 × 18,339.40
  4. Step 4: Simplify right side
    43,303.60x = 1,190,351,767.92
  5. Step 5: Solve for x
    x = 1,190,351,767.92/43,303.60
  6. Step 6: Final answer
    x = 27,488.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.