Home / 31,316.10-46,981.44-10,256.02

Finding the Fourth Proportional to 31,316.10, 46,981.44 and 10,256.02

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Solution

The fourth proportional to 31,316.10, 46,981.44 and 10,256.02 is: 15,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.10 : 46,981.44 = 10,256.02 : x
  2. Step 2: Convert to fraction form
    31,316.10/46,981.44 = 10,256.02/x
  3. Step 3: Cross multiply
    31,316.10x = 46,981.44 × 10,256.02
  4. Step 4: Simplify right side
    31,316.10x = 481,842,588.27
  5. Step 5: Solve for x
    x = 481,842,588.27/31,316.10
  6. Step 6: Final answer
    x = 15,386.42

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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.