Home / 31,308.04-46,969.08-10,531

Finding the Fourth Proportional to 31,308.04, 46,969.08 and 10,531

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Solution

The fourth proportional to 31,308.04, 46,969.08 and 10,531 is: 15,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.04 : 46,969.08 = 10,531 : x
  2. Step 2: Convert to fraction form
    31,308.04/46,969.08 = 10,531/x
  3. Step 3: Cross multiply
    31,308.04x = 46,969.08 × 10,531
  4. Step 4: Simplify right side
    31,308.04x = 494,631,381.48
  5. Step 5: Solve for x
    x = 494,631,381.48/31,308.04
  6. Step 6: Final answer
    x = 15,798.86

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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.