Home / 43,569.09-65,347.46-13,983.10

Finding the Fourth Proportional to 43,569.09, 65,347.46 and 13,983.10

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Solution

The fourth proportional to 43,569.09, 65,347.46 and 13,983.10 is: 20,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,569.09 : 65,347.46 = 13,983.10 : x
  2. Step 2: Convert to fraction form
    43,569.09/65,347.46 = 13,983.10/x
  3. Step 3: Cross multiply
    43,569.09x = 65,347.46 × 13,983.10
  4. Step 4: Simplify right side
    43,569.09x = 913,759,887.08
  5. Step 5: Solve for x
    x = 913,759,887.08/43,569.09
  6. Step 6: Final answer
    x = 20,972.66

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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.