Home / 30,140.44-45,210.66-10,408.24

Finding the Fourth Proportional to 30,140.44, 45,210.66 and 10,408.24

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Solution

The fourth proportional to 30,140.44, 45,210.66 and 10,408.24 is: 15,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140.44 : 45,210.66 = 10,408.24 : x
  2. Step 2: Convert to fraction form
    30,140.44/45,210.66 = 10,408.24/x
  3. Step 3: Cross multiply
    30,140.44x = 45,210.66 × 10,408.24
  4. Step 4: Simplify right side
    30,140.44x = 470,563,250.83
  5. Step 5: Solve for x
    x = 470,563,250.83/30,140.44
  6. Step 6: Final answer
    x = 15,612.35

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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.