Home / 55,533.56-83,279.52-19,985.22

Finding the Fourth Proportional to 55,533.56, 83,279.52 and 19,985.22

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Solution

The fourth proportional to 55,533.56, 83,279.52 and 19,985.22 is: 29,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,533.56 : 83,279.52 = 19,985.22 : x
  2. Step 2: Convert to fraction form
    55,533.56/83,279.52 = 19,985.22/x
  3. Step 3: Cross multiply
    55,533.56x = 83,279.52 × 19,985.22
  4. Step 4: Simplify right side
    55,533.56x = 1,664,359,528.69
  5. Step 5: Solve for x
    x = 1,664,359,528.69/55,533.56
  6. Step 6: Final answer
    x = 29,970.34

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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.