Home / 43,547.76-65,321.37-12,383.01

Finding the Fourth Proportional to 43,547.76, 65,321.37 and 12,383.01

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Solution

The fourth proportional to 43,547.76, 65,321.37 and 12,383.01 is: 18,574.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,547.76 : 65,321.37 = 12,383.01 : x
  2. Step 2: Convert to fraction form
    43,547.76/65,321.37 = 12,383.01/x
  3. Step 3: Cross multiply
    43,547.76x = 65,321.37 × 12,383.01
  4. Step 4: Simplify right side
    43,547.76x = 808,875,177.92
  5. Step 5: Solve for x
    x = 808,875,177.92/43,547.76
  6. Step 6: Final answer
    x = 18,574.44

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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.