Home / 55,626.48-83,438.76-18,690.48

Finding the Fourth Proportional to 55,626.48, 83,438.76 and 18,690.48

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Solution

The fourth proportional to 55,626.48, 83,438.76 and 18,690.48 is: 28,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,626.48 : 83,438.76 = 18,690.48 : x
  2. Step 2: Convert to fraction form
    55,626.48/83,438.76 = 18,690.48/x
  3. Step 3: Cross multiply
    55,626.48x = 83,438.76 × 18,690.48
  4. Step 4: Simplify right side
    55,626.48x = 1,559,510,475.00
  5. Step 5: Solve for x
    x = 1,559,510,475.00/55,626.48
  6. Step 6: Final answer
    x = 28,035.40

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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.