Home / 43,235.01-64,422.72-38,518.79

Finding the Fourth Proportional to 43,235.01, 64,422.72 and 38,518.79

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Solution

The fourth proportional to 43,235.01, 64,422.72 and 38,518.79 is: 57,395.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,235.01 : 64,422.72 = 38,518.79 : x
  2. Step 2: Convert to fraction form
    43,235.01/64,422.72 = 38,518.79/x
  3. Step 3: Cross multiply
    43,235.01x = 64,422.72 × 38,518.79
  4. Step 4: Simplify right side
    43,235.01x = 2,481,484,900.80
  5. Step 5: Solve for x
    x = 2,481,484,900.80/43,235.01
  6. Step 6: Final answer
    x = 57,395.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.