Home / 55,529.31-76,631.05-30,036.18

Finding the Fourth Proportional to 55,529.31, 76,631.05 and 30,036.18

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Solution

The fourth proportional to 55,529.31, 76,631.05 and 30,036.18 is: 41,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,529.31 : 76,631.05 = 30,036.18 : x
  2. Step 2: Convert to fraction form
    55,529.31/76,631.05 = 30,036.18/x
  3. Step 3: Cross multiply
    55,529.31x = 76,631.05 × 30,036.18
  4. Step 4: Simplify right side
    55,529.31x = 2,301,704,011.39
  5. Step 5: Solve for x
    x = 2,301,704,011.39/55,529.31
  6. Step 6: Final answer
    x = 41,450.25

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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.