Home / 40,259.21-60,395.79-13,605.42

Finding the Fourth Proportional to 40,259.21, 60,395.79 and 13,605.42

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Solution

The fourth proportional to 40,259.21, 60,395.79 and 13,605.42 is: 20,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,259.21 : 60,395.79 = 13,605.42 : x
  2. Step 2: Convert to fraction form
    40,259.21/60,395.79 = 13,605.42/x
  3. Step 3: Cross multiply
    40,259.21x = 60,395.79 × 13,605.42
  4. Step 4: Simplify right side
    40,259.21x = 821,710,089.18
  5. Step 5: Solve for x
    x = 821,710,089.18/40,259.21
  6. Step 6: Final answer
    x = 20,410.49

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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.