Home / 55,818.85-76,987.57-38,619.83

Finding the Fourth Proportional to 55,818.85, 76,987.57 and 38,619.83

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Solution

The fourth proportional to 55,818.85, 76,987.57 and 38,619.83 is: 53,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,818.85 : 76,987.57 = 38,619.83 : x
  2. Step 2: Convert to fraction form
    55,818.85/76,987.57 = 38,619.83/x
  3. Step 3: Cross multiply
    55,818.85x = 76,987.57 × 38,619.83
  4. Step 4: Simplify right side
    55,818.85x = 2,973,246,865.51
  5. Step 5: Solve for x
    x = 2,973,246,865.51/55,818.85
  6. Step 6: Final answer
    x = 53,266.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.