Home / 30,491.51-45,737.63-10,756.22

Finding the Fourth Proportional to 30,491.51, 45,737.63 and 10,756.22

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Solution

The fourth proportional to 30,491.51, 45,737.63 and 10,756.22 is: 16,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,491.51 : 45,737.63 = 10,756.22 : x
  2. Step 2: Convert to fraction form
    30,491.51/45,737.63 = 10,756.22/x
  3. Step 3: Cross multiply
    30,491.51x = 45,737.63 × 10,756.22
  4. Step 4: Simplify right side
    30,491.51x = 491,963,956.78
  5. Step 5: Solve for x
    x = 491,963,956.78/30,491.51
  6. Step 6: Final answer
    x = 16,134.46

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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.