Home / 31,261.56-46,878.13-13,483.81

Finding the Fourth Proportional to 31,261.56, 46,878.13 and 13,483.81

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Solution

The fourth proportional to 31,261.56, 46,878.13 and 13,483.81 is: 20,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,261.56 : 46,878.13 = 13,483.81 : x
  2. Step 2: Convert to fraction form
    31,261.56/46,878.13 = 13,483.81/x
  3. Step 3: Cross multiply
    31,261.56x = 46,878.13 × 13,483.81
  4. Step 4: Simplify right side
    31,261.56x = 632,095,798.08
  5. Step 5: Solve for x
    x = 632,095,798.08/31,261.56
  6. Step 6: Final answer
    x = 20,219.59

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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.