Home / 30,140.26-41,568.24-19,386.90

Finding the Fourth Proportional to 30,140.26, 41,568.24 and 19,386.90

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Solution

The fourth proportional to 30,140.26, 41,568.24 and 19,386.90 is: 26,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140.26 : 41,568.24 = 19,386.90 : x
  2. Step 2: Convert to fraction form
    30,140.26/41,568.24 = 19,386.90/x
  3. Step 3: Cross multiply
    30,140.26x = 41,568.24 × 19,386.90
  4. Step 4: Simplify right side
    30,140.26x = 805,879,312.06
  5. Step 5: Solve for x
    x = 805,879,312.06/30,140.26
  6. Step 6: Final answer
    x = 26,737.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.