Home / 60,289.25-90,455.81-20,850.35

Finding the Fourth Proportional to 60,289.25, 90,455.81 and 20,850.35

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Solution

The fourth proportional to 60,289.25, 90,455.81 and 20,850.35 is: 31,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,289.25 : 90,455.81 = 20,850.35 : x
  2. Step 2: Convert to fraction form
    60,289.25/90,455.81 = 20,850.35/x
  3. Step 3: Cross multiply
    60,289.25x = 90,455.81 × 20,850.35
  4. Step 4: Simplify right side
    60,289.25x = 1,886,034,741.50
  5. Step 5: Solve for x
    x = 1,886,034,741.50/60,289.25
  6. Step 6: Final answer
    x = 31,283.10

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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.