Home / 30,180.24-45,265.32-10,454.10

Finding the Fourth Proportional to 30,180.24, 45,265.32 and 10,454.10

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Solution

The fourth proportional to 30,180.24, 45,265.32 and 10,454.10 is: 15,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180.24 : 45,265.32 = 10,454.10 : x
  2. Step 2: Convert to fraction form
    30,180.24/45,265.32 = 10,454.10/x
  3. Step 3: Cross multiply
    30,180.24x = 45,265.32 × 10,454.10
  4. Step 4: Simplify right side
    30,180.24x = 473,208,181.81
  5. Step 5: Solve for x
    x = 473,208,181.81/30,180.24
  6. Step 6: Final answer
    x = 15,679.40

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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.