Home / 55,577.40-83,367.58-18,139.74

Finding the Fourth Proportional to 55,577.40, 83,367.58 and 18,139.74

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Solution

The fourth proportional to 55,577.40, 83,367.58 and 18,139.74 is: 27,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,577.40 : 83,367.58 = 18,139.74 : x
  2. Step 2: Convert to fraction form
    55,577.40/83,367.58 = 18,139.74/x
  3. Step 3: Cross multiply
    55,577.40x = 83,367.58 × 18,139.74
  4. Step 4: Simplify right side
    55,577.40x = 1,512,266,225.63
  5. Step 5: Solve for x
    x = 1,512,266,225.63/55,577.40
  6. Step 6: Final answer
    x = 27,210.09

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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.