Home / 55,561.34-83,347.05-18,111.80

Finding the Fourth Proportional to 55,561.34, 83,347.05 and 18,111.80

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Solution

The fourth proportional to 55,561.34, 83,347.05 and 18,111.80 is: 27,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,561.34 : 83,347.05 = 18,111.80 : x
  2. Step 2: Convert to fraction form
    55,561.34/83,347.05 = 18,111.80/x
  3. Step 3: Cross multiply
    55,561.34x = 83,347.05 × 18,111.80
  4. Step 4: Simplify right side
    55,561.34x = 1,509,564,683.45
  5. Step 5: Solve for x
    x = 1,509,564,683.45/55,561.34
  6. Step 6: Final answer
    x = 27,169.34

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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.