Home / 30,091.43-45,143.36-9,030.62

Finding the Fourth Proportional to 30,091.43, 45,143.36 and 9,030.62

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Solution

The fourth proportional to 30,091.43, 45,143.36 and 9,030.62 is: 13,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,091.43 : 45,143.36 = 9,030.62 : x
  2. Step 2: Convert to fraction form
    30,091.43/45,143.36 = 9,030.62/x
  3. Step 3: Cross multiply
    30,091.43x = 45,143.36 × 9,030.62
  4. Step 4: Simplify right side
    30,091.43x = 407,672,529.68
  5. Step 5: Solve for x
    x = 407,672,529.68/30,091.43
  6. Step 6: Final answer
    x = 13,547.80

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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.