Home / 46,155.78-63,669.42-31,021.74

Finding the Fourth Proportional to 46,155.78, 63,669.42 and 31,021.74

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Solution

The fourth proportional to 46,155.78, 63,669.42 and 31,021.74 is: 42,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,155.78 : 63,669.42 = 31,021.74 : x
  2. Step 2: Convert to fraction form
    46,155.78/63,669.42 = 31,021.74/x
  3. Step 3: Cross multiply
    46,155.78x = 63,669.42 × 31,021.74
  4. Step 4: Simplify right side
    46,155.78x = 1,975,136,193.19
  5. Step 5: Solve for x
    x = 1,975,136,193.19/46,155.78
  6. Step 6: Final answer
    x = 42,792.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.