Home / 55,655.19-83,490.98-20,119.17

Finding the Fourth Proportional to 55,655.19, 83,490.98 and 20,119.17

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Solution

The fourth proportional to 55,655.19, 83,490.98 and 20,119.17 is: 30,181.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,655.19 : 83,490.98 = 20,119.17 : x
  2. Step 2: Convert to fraction form
    55,655.19/83,490.98 = 20,119.17/x
  3. Step 3: Cross multiply
    55,655.19x = 83,490.98 × 20,119.17
  4. Step 4: Simplify right side
    55,655.19x = 1,679,769,119.49
  5. Step 5: Solve for x
    x = 1,679,769,119.49/55,655.19
  6. Step 6: Final answer
    x = 30,181.72

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1.5x scale

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.