Home / 30,372.47-45,559.10-10,651.59

Finding the Fourth Proportional to 30,372.47, 45,559.10 and 10,651.59

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Solution

The fourth proportional to 30,372.47, 45,559.10 and 10,651.59 is: 15,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.47 : 45,559.10 = 10,651.59 : x
  2. Step 2: Convert to fraction form
    30,372.47/45,559.10 = 10,651.59/x
  3. Step 3: Cross multiply
    30,372.47x = 45,559.10 × 10,651.59
  4. Step 4: Simplify right side
    30,372.47x = 485,276,800.71
  5. Step 5: Solve for x
    x = 485,276,800.71/30,372.47
  6. Step 6: Final answer
    x = 15,977.52

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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.