Home / 55,076.19-76,008.90-31,203.06

Finding the Fourth Proportional to 55,076.19, 76,008.90 and 31,203.06

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Solution

The fourth proportional to 55,076.19, 76,008.90 and 31,203.06 is: 43,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.19 : 76,008.90 = 31,203.06 : x
  2. Step 2: Convert to fraction form
    55,076.19/76,008.90 = 31,203.06/x
  3. Step 3: Cross multiply
    55,076.19x = 76,008.90 × 31,203.06
  4. Step 4: Simplify right side
    55,076.19x = 2,371,710,267.23
  5. Step 5: Solve for x
    x = 2,371,710,267.23/55,076.19
  6. Step 6: Final answer
    x = 43,062.35

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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.