Home / 30,042.28-45,024.54-14,451.40

Finding the Fourth Proportional to 30,042.28, 45,024.54 and 14,451.40

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Solution

The fourth proportional to 30,042.28, 45,024.54 and 14,451.40 is: 21,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,042.28 : 45,024.54 = 14,451.40 : x
  2. Step 2: Convert to fraction form
    30,042.28/45,024.54 = 14,451.40/x
  3. Step 3: Cross multiply
    30,042.28x = 45,024.54 × 14,451.40
  4. Step 4: Simplify right side
    30,042.28x = 650,667,637.36
  5. Step 5: Solve for x
    x = 650,667,637.36/30,042.28
  6. Step 6: Final answer
    x = 21,658.40

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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.