Home / 55,835.03-83,734.53-18,386.20

Finding the Fourth Proportional to 55,835.03, 83,734.53 and 18,386.20

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Solution

The fourth proportional to 55,835.03, 83,734.53 and 18,386.20 is: 27,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,835.03 : 83,734.53 = 18,386.20 : x
  2. Step 2: Convert to fraction form
    55,835.03/83,734.53 = 18,386.20/x
  3. Step 3: Cross multiply
    55,835.03x = 83,734.53 × 18,386.20
  4. Step 4: Simplify right side
    55,835.03x = 1,539,559,815.49
  5. Step 5: Solve for x
    x = 1,539,559,815.49/55,835.03
  6. Step 6: Final answer
    x = 27,573.37

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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.