Home / 55,485.56-83,239.28-18,043.22

Finding the Fourth Proportional to 55,485.56, 83,239.28 and 18,043.22

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Solution

The fourth proportional to 55,485.56, 83,239.28 and 18,043.22 is: 27,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,485.56 : 83,239.28 = 18,043.22 : x
  2. Step 2: Convert to fraction form
    55,485.56/83,239.28 = 18,043.22/x
  3. Step 3: Cross multiply
    55,485.56x = 83,239.28 × 18,043.22
  4. Step 4: Simplify right side
    55,485.56x = 1,501,904,827.23
  5. Step 5: Solve for x
    x = 1,501,904,827.23/55,485.56
  6. Step 6: Final answer
    x = 27,068.39

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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.