Home / 30,384.12-45,510.57-29,640.54

Finding the Fourth Proportional to 30,384.12, 45,510.57 and 29,640.54

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Solution

The fourth proportional to 30,384.12, 45,510.57 and 29,640.54 is: 44,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,384.12 : 45,510.57 = 29,640.54 : x
  2. Step 2: Convert to fraction form
    30,384.12/45,510.57 = 29,640.54/x
  3. Step 3: Cross multiply
    30,384.12x = 45,510.57 × 29,640.54
  4. Step 4: Simplify right side
    30,384.12x = 1,348,957,870.51
  5. Step 5: Solve for x
    x = 1,348,957,870.51/30,384.12
  6. Step 6: Final answer
    x = 44,396.81

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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.