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Finding the Fourth Proportional to 43,339.60, 65,018.48 and 24,628.32

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Solution

The fourth proportional to 43,339.60, 65,018.48 and 24,628.32 is: 36,947.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,339.60 : 65,018.48 = 24,628.32 : x
  2. Step 2: Convert to fraction form
    43,339.60/65,018.48 = 24,628.32/x
  3. Step 3: Cross multiply
    43,339.60x = 65,018.48 × 24,628.32
  4. Step 4: Simplify right side
    43,339.60x = 1,601,295,931.35
  5. Step 5: Solve for x
    x = 1,601,295,931.35/43,339.60
  6. Step 6: Final answer
    x = 36,947.64

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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.