Home / 43,038.07-64,559.94-11,447.66

Finding the Fourth Proportional to 43,038.07, 64,559.94 and 11,447.66

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Solution

The fourth proportional to 43,038.07, 64,559.94 and 11,447.66 is: 17,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,038.07 : 64,559.94 = 11,447.66 : x
  2. Step 2: Convert to fraction form
    43,038.07/64,559.94 = 11,447.66/x
  3. Step 3: Cross multiply
    43,038.07x = 64,559.94 × 11,447.66
  4. Step 4: Simplify right side
    43,038.07x = 739,060,361.21
  5. Step 5: Solve for x
    x = 739,060,361.21/43,038.07
  6. Step 6: Final answer
    x = 17,172.25

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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.