Home / 30,041.72-45,051.38-10,314.68

Finding the Fourth Proportional to 30,041.72, 45,051.38 and 10,314.68

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Solution

The fourth proportional to 30,041.72, 45,051.38 and 10,314.68 is: 15,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041.72 : 45,051.38 = 10,314.68 : x
  2. Step 2: Convert to fraction form
    30,041.72/45,051.38 = 10,314.68/x
  3. Step 3: Cross multiply
    30,041.72x = 45,051.38 × 10,314.68
  4. Step 4: Simplify right side
    30,041.72x = 464,690,568.26
  5. Step 5: Solve for x
    x = 464,690,568.26/30,041.72
  6. Step 6: Final answer
    x = 15,468.17

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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.