Home / 30,257.18-45,390.62-10,541.34

Finding the Fourth Proportional to 30,257.18, 45,390.62 and 10,541.34

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Solution

The fourth proportional to 30,257.18, 45,390.62 and 10,541.34 is: 15,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.18 : 45,390.62 = 10,541.34 : x
  2. Step 2: Convert to fraction form
    30,257.18/45,390.62 = 10,541.34/x
  3. Step 3: Cross multiply
    30,257.18x = 45,390.62 × 10,541.34
  4. Step 4: Simplify right side
    30,257.18x = 478,477,958.23
  5. Step 5: Solve for x
    x = 478,477,958.23/30,257.18
  6. Step 6: Final answer
    x = 15,813.70

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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.