Home / 55,430.11-83,012.37-40,396.92

Finding the Fourth Proportional to 55,430.11, 83,012.37 and 40,396.92

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Solution

The fourth proportional to 55,430.11, 83,012.37 and 40,396.92 is: 60,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,430.11 : 83,012.37 = 40,396.92 : x
  2. Step 2: Convert to fraction form
    55,430.11/83,012.37 = 40,396.92/x
  3. Step 3: Cross multiply
    55,430.11x = 83,012.37 × 40,396.92
  4. Step 4: Simplify right side
    55,430.11x = 3,353,444,069.90
  5. Step 5: Solve for x
    x = 3,353,444,069.90/55,430.11
  6. Step 6: Final answer
    x = 60,498.60

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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.