Home / 60,518.40-90,778.26-18,405.33

Finding the Fourth Proportional to 60,518.40, 90,778.26 and 18,405.33

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Solution

The fourth proportional to 60,518.40, 90,778.26 and 18,405.33 is: 27,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,518.40 : 90,778.26 = 18,405.33 : x
  2. Step 2: Convert to fraction form
    60,518.40/90,778.26 = 18,405.33/x
  3. Step 3: Cross multiply
    60,518.40x = 90,778.26 × 18,405.33
  4. Step 4: Simplify right side
    60,518.40x = 1,670,803,832.13
  5. Step 5: Solve for x
    x = 1,670,803,832.13/60,518.40
  6. Step 6: Final answer
    x = 27,608.20

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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.