Home / 30,261.07-45,387.96-10,537.99

Finding the Fourth Proportional to 30,261.07, 45,387.96 and 10,537.99

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Solution

The fourth proportional to 30,261.07, 45,387.96 and 10,537.99 is: 15,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.07 : 45,387.96 = 10,537.99 : x
  2. Step 2: Convert to fraction form
    30,261.07/45,387.96 = 10,537.99/x
  3. Step 3: Cross multiply
    30,261.07x = 45,387.96 × 10,537.99
  4. Step 4: Simplify right side
    30,261.07x = 478,297,868.60
  5. Step 5: Solve for x
    x = 478,297,868.60/30,261.07
  6. Step 6: Final answer
    x = 15,805.72

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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.