Home / 30,259.55-45,395.48-10,539.65

Finding the Fourth Proportional to 30,259.55, 45,395.48 and 10,539.65

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Solution

The fourth proportional to 30,259.55, 45,395.48 and 10,539.65 is: 15,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,259.55 : 45,395.48 = 10,539.65 : x
  2. Step 2: Convert to fraction form
    30,259.55/45,395.48 = 10,539.65/x
  3. Step 3: Cross multiply
    30,259.55x = 45,395.48 × 10,539.65
  4. Step 4: Simplify right side
    30,259.55x = 478,452,270.15
  5. Step 5: Solve for x
    x = 478,452,270.15/30,259.55
  6. Step 6: Final answer
    x = 15,811.61

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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.