Home / 39,300.30-58,950.45-11,220.30

Finding the Fourth Proportional to 39,300.30, 58,950.45 and 11,220.30

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Solution

The fourth proportional to 39,300.30, 58,950.45 and 11,220.30 is: 16,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,300.30 : 58,950.45 = 11,220.30 : x
  2. Step 2: Convert to fraction form
    39,300.30/58,950.45 = 11,220.30/x
  3. Step 3: Cross multiply
    39,300.30x = 58,950.45 × 11,220.30
  4. Step 4: Simplify right side
    39,300.30x = 661,441,734.14
  5. Step 5: Solve for x
    x = 661,441,734.14/39,300.30
  6. Step 6: Final answer
    x = 16,830.45

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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.