Home / 55,073.21-76,004.79-31,200.08

Finding the Fourth Proportional to 55,073.21, 76,004.79 and 31,200.08

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Solution

The fourth proportional to 55,073.21, 76,004.79 and 31,200.08 is: 43,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,073.21 : 76,004.79 = 31,200.08 : x
  2. Step 2: Convert to fraction form
    55,073.21/76,004.79 = 31,200.08/x
  3. Step 3: Cross multiply
    55,073.21x = 76,004.79 × 31,200.08
  4. Step 4: Simplify right side
    55,073.21x = 2,371,355,575.89
  5. Step 5: Solve for x
    x = 2,371,355,575.89/55,073.21
  6. Step 6: Final answer
    x = 43,058.24

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1.5x scale

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.