Home / 30,920.28-46,348.21-23,509.18

Finding the Fourth Proportional to 30,920.28, 46,348.21 and 23,509.18

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Solution

The fourth proportional to 30,920.28, 46,348.21 and 23,509.18 is: 35,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920.28 : 46,348.21 = 23,509.18 : x
  2. Step 2: Convert to fraction form
    30,920.28/46,348.21 = 23,509.18/x
  3. Step 3: Cross multiply
    30,920.28x = 46,348.21 × 23,509.18
  4. Step 4: Simplify right side
    30,920.28x = 1,089,608,411.57
  5. Step 5: Solve for x
    x = 1,089,608,411.57/30,920.28
  6. Step 6: Final answer
    x = 35,239.28

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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.