Home / 31,136.07-46,699.10-8,944.40

Finding the Fourth Proportional to 31,136.07, 46,699.10 and 8,944.40

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Solution

The fourth proportional to 31,136.07, 46,699.10 and 8,944.40 is: 13,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136.07 : 46,699.10 = 8,944.40 : x
  2. Step 2: Convert to fraction form
    31,136.07/46,699.10 = 8,944.40/x
  3. Step 3: Cross multiply
    31,136.07x = 46,699.10 × 8,944.40
  4. Step 4: Simplify right side
    31,136.07x = 417,695,535.61
  5. Step 5: Solve for x
    x = 417,695,535.61/31,136.07
  6. Step 6: Final answer
    x = 13,415.17

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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.