Home / 30,246.76-45,388.37-10,539.16

Finding the Fourth Proportional to 30,246.76, 45,388.37 and 10,539.16

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Solution

The fourth proportional to 30,246.76, 45,388.37 and 10,539.16 is: 15,815.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.76 : 45,388.37 = 10,539.16 : x
  2. Step 2: Convert to fraction form
    30,246.76/45,388.37 = 10,539.16/x
  3. Step 3: Cross multiply
    30,246.76x = 45,388.37 × 10,539.16
  4. Step 4: Simplify right side
    30,246.76x = 478,355,127.40
  5. Step 5: Solve for x
    x = 478,355,127.40/30,246.76
  6. Step 6: Final answer
    x = 15,815.09

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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.