Home / 30,074.72-45,113.56-7,888.14

Finding the Fourth Proportional to 30,074.72, 45,113.56 and 7,888.14

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Solution

The fourth proportional to 30,074.72, 45,113.56 and 7,888.14 is: 11,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074.72 : 45,113.56 = 7,888.14 : x
  2. Step 2: Convert to fraction form
    30,074.72/45,113.56 = 7,888.14/x
  3. Step 3: Cross multiply
    30,074.72x = 45,113.56 × 7,888.14
  4. Step 4: Simplify right side
    30,074.72x = 355,862,057.46
  5. Step 5: Solve for x
    x = 355,862,057.46/30,074.72
  6. Step 6: Final answer
    x = 11,832.60

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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.