Home / 30,459.48-45,674.73-17,812.85

Finding the Fourth Proportional to 30,459.48, 45,674.73 and 17,812.85

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Solution

The fourth proportional to 30,459.48, 45,674.73 and 17,812.85 is: 26,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,459.48 : 45,674.73 = 17,812.85 : x
  2. Step 2: Convert to fraction form
    30,459.48/45,674.73 = 17,812.85/x
  3. Step 3: Cross multiply
    30,459.48x = 45,674.73 × 17,812.85
  4. Step 4: Simplify right side
    30,459.48x = 813,597,114.28
  5. Step 5: Solve for x
    x = 813,597,114.28/30,459.48
  6. Step 6: Final answer
    x = 26,710.80

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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.