Home / 30,088.48-45,158.64-14,519.20

Finding the Fourth Proportional to 30,088.48, 45,158.64 and 14,519.20

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Solution

The fourth proportional to 30,088.48, 45,158.64 and 14,519.20 is: 21,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,088.48 : 45,158.64 = 14,519.20 : x
  2. Step 2: Convert to fraction form
    30,088.48/45,158.64 = 14,519.20/x
  3. Step 3: Cross multiply
    30,088.48x = 45,158.64 × 14,519.20
  4. Step 4: Simplify right side
    30,088.48x = 655,667,325.89
  5. Step 5: Solve for x
    x = 655,667,325.89/30,088.48
  6. Step 6: Final answer
    x = 21,791.31

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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.