Home / 30,381.24-45,509.34-26,880.33

Finding the Fourth Proportional to 30,381.24, 45,509.34 and 26,880.33

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Solution

The fourth proportional to 30,381.24, 45,509.34 and 26,880.33 is: 40,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.24 : 45,509.34 = 26,880.33 : x
  2. Step 2: Convert to fraction form
    30,381.24/45,509.34 = 26,880.33/x
  3. Step 3: Cross multiply
    30,381.24x = 45,509.34 × 26,880.33
  4. Step 4: Simplify right side
    30,381.24x = 1,223,306,077.28
  5. Step 5: Solve for x
    x = 1,223,306,077.28/30,381.24
  6. Step 6: Final answer
    x = 40,265.18

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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.