Home / 30,272.16-45,408.36-10,550.68

Finding the Fourth Proportional to 30,272.16, 45,408.36 and 10,550.68

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Solution

The fourth proportional to 30,272.16, 45,408.36 and 10,550.68 is: 15,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,272.16 : 45,408.36 = 10,550.68 : x
  2. Step 2: Convert to fraction form
    30,272.16/45,408.36 = 10,550.68/x
  3. Step 3: Cross multiply
    30,272.16x = 45,408.36 × 10,550.68
  4. Step 4: Simplify right side
    30,272.16x = 479,089,075.68
  5. Step 5: Solve for x
    x = 479,089,075.68/30,272.16
  6. Step 6: Final answer
    x = 15,826.06

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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.