Home / 43,680.60-65,485.16-15,584.74

Finding the Fourth Proportional to 43,680.60, 65,485.16 and 15,584.74

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Solution

The fourth proportional to 43,680.60, 65,485.16 and 15,584.74 is: 23,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,680.60 : 65,485.16 = 15,584.74 : x
  2. Step 2: Convert to fraction form
    43,680.60/65,485.16 = 15,584.74/x
  3. Step 3: Cross multiply
    43,680.60x = 65,485.16 × 15,584.74
  4. Step 4: Simplify right side
    43,680.60x = 1,020,569,009.26
  5. Step 5: Solve for x
    x = 1,020,569,009.26/43,680.60
  6. Step 6: Final answer
    x = 23,364.35

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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.