Home / 30,011.07-45,044.87-15,230.59

Finding the Fourth Proportional to 30,011.07, 45,044.87 and 15,230.59

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Solution

The fourth proportional to 30,011.07, 45,044.87 and 15,230.59 is: 22,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.07 : 45,044.87 = 15,230.59 : x
  2. Step 2: Convert to fraction form
    30,011.07/45,044.87 = 15,230.59/x
  3. Step 3: Cross multiply
    30,011.07x = 45,044.87 × 15,230.59
  4. Step 4: Simplify right side
    30,011.07x = 686,059,946.57
  5. Step 5: Solve for x
    x = 686,059,946.57/30,011.07
  6. Step 6: Final answer
    x = 22,860.23

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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.