Home / 30,055.12-45,093.04-13,426.63

Finding the Fourth Proportional to 30,055.12, 45,093.04 and 13,426.63

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Solution

The fourth proportional to 30,055.12, 45,093.04 and 13,426.63 is: 20,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,055.12 : 45,093.04 = 13,426.63 : x
  2. Step 2: Convert to fraction form
    30,055.12/45,093.04 = 13,426.63/x
  3. Step 3: Cross multiply
    30,055.12x = 45,093.04 × 13,426.63
  4. Step 4: Simplify right side
    30,055.12x = 605,447,417.36
  5. Step 5: Solve for x
    x = 605,447,417.36/30,055.12
  6. Step 6: Final answer
    x = 20,144.57

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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.