Home / 55,626.90-83,439.61-13,507.32

Finding the Fourth Proportional to 55,626.90, 83,439.61 and 13,507.32

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Solution

The fourth proportional to 55,626.90, 83,439.61 and 13,507.32 is: 20,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,626.90 : 83,439.61 = 13,507.32 : x
  2. Step 2: Convert to fraction form
    55,626.90/83,439.61 = 13,507.32/x
  3. Step 3: Cross multiply
    55,626.90x = 83,439.61 × 13,507.32
  4. Step 4: Simplify right side
    55,626.90x = 1,127,045,512.95
  5. Step 5: Solve for x
    x = 1,127,045,512.95/55,626.90
  6. Step 6: Final answer
    x = 20,260.80

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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.