Home / 43,870.40-65,801.52-12,283.32

Finding the Fourth Proportional to 43,870.40, 65,801.52 and 12,283.32

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Solution

The fourth proportional to 43,870.40, 65,801.52 and 12,283.32 is: 18,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,870.40 : 65,801.52 = 12,283.32 : x
  2. Step 2: Convert to fraction form
    43,870.40/65,801.52 = 12,283.32/x
  3. Step 3: Cross multiply
    43,870.40x = 65,801.52 × 12,283.32
  4. Step 4: Simplify right side
    43,870.40x = 808,261,126.65
  5. Step 5: Solve for x
    x = 808,261,126.65/43,870.40
  6. Step 6: Final answer
    x = 18,423.84

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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.