Home / 46,292.41-69,386.10-21,280.78

Finding the Fourth Proportional to 46,292.41, 69,386.10 and 21,280.78

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Solution

The fourth proportional to 46,292.41, 69,386.10 and 21,280.78 is: 31,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,292.41 : 69,386.10 = 21,280.78 : x
  2. Step 2: Convert to fraction form
    46,292.41/69,386.10 = 21,280.78/x
  3. Step 3: Cross multiply
    46,292.41x = 69,386.10 × 21,280.78
  4. Step 4: Simplify right side
    46,292.41x = 1,476,590,329.16
  5. Step 5: Solve for x
    x = 1,476,590,329.16/46,292.41
  6. Step 6: Final answer
    x = 31,897.03

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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.