Home / 43,127.16-64,690.71-19,406.98

Finding the Fourth Proportional to 43,127.16, 64,690.71 and 19,406.98

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Solution

The fourth proportional to 43,127.16, 64,690.71 and 19,406.98 is: 29,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127.16 : 64,690.71 = 19,406.98 : x
  2. Step 2: Convert to fraction form
    43,127.16/64,690.71 = 19,406.98/x
  3. Step 3: Cross multiply
    43,127.16x = 64,690.71 × 19,406.98
  4. Step 4: Simplify right side
    43,127.16x = 1,255,451,315.16
  5. Step 5: Solve for x
    x = 1,255,451,315.16/43,127.16
  6. Step 6: Final answer
    x = 29,110.46

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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.