Home / 55,236.40-76,228.14-31,362.28

Finding the Fourth Proportional to 55,236.40, 76,228.14 and 31,362.28

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Solution

The fourth proportional to 55,236.40, 76,228.14 and 31,362.28 is: 43,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.40 : 76,228.14 = 31,362.28 : x
  2. Step 2: Convert to fraction form
    55,236.40/76,228.14 = 31,362.28/x
  3. Step 3: Cross multiply
    55,236.40x = 76,228.14 × 31,362.28
  4. Step 4: Simplify right side
    55,236.40x = 2,390,688,270.56
  5. Step 5: Solve for x
    x = 2,390,688,270.56/55,236.40
  6. Step 6: Final answer
    x = 43,281.03

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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.