Home / 43,877.16-65,804.40-12,705.12

Finding the Fourth Proportional to 43,877.16, 65,804.40 and 12,705.12

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Solution

The fourth proportional to 43,877.16, 65,804.40 and 12,705.12 is: 19,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,877.16 : 65,804.40 = 12,705.12 : x
  2. Step 2: Convert to fraction form
    43,877.16/65,804.40 = 12,705.12/x
  3. Step 3: Cross multiply
    43,877.16x = 65,804.40 × 12,705.12
  4. Step 4: Simplify right side
    43,877.16x = 836,052,798.53
  5. Step 5: Solve for x
    x = 836,052,798.53/43,877.16
  6. Step 6: Final answer
    x = 19,054.40

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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.