Home / 55,619.88-83,429.10-13,500.28

Finding the Fourth Proportional to 55,619.88, 83,429.10 and 13,500.28

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Solution

The fourth proportional to 55,619.88, 83,429.10 and 13,500.28 is: 20,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,619.88 : 83,429.10 = 13,500.28 : x
  2. Step 2: Convert to fraction form
    55,619.88/83,429.10 = 13,500.28/x
  3. Step 3: Cross multiply
    55,619.88x = 83,429.10 × 13,500.28
  4. Step 4: Simplify right side
    55,619.88x = 1,126,316,365.06
  5. Step 5: Solve for x
    x = 1,126,316,365.06/55,619.88
  6. Step 6: Final answer
    x = 20,250.25

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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.