Home / 55,683.40-83,533.20-18,237.10

Finding the Fourth Proportional to 55,683.40, 83,533.20 and 18,237.10

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Solution

The fourth proportional to 55,683.40, 83,533.20 and 18,237.10 is: 27,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,683.40 : 83,533.20 = 18,237.10 : x
  2. Step 2: Convert to fraction form
    55,683.40/83,533.20 = 18,237.10/x
  3. Step 3: Cross multiply
    55,683.40x = 83,533.20 × 18,237.10
  4. Step 4: Simplify right side
    55,683.40x = 1,523,403,321.72
  5. Step 5: Solve for x
    x = 1,523,403,321.72/55,683.40
  6. Step 6: Final answer
    x = 27,358.30

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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.