Home / 35,528.85-49,033.16-20,430.35

Finding the Fourth Proportional to 35,528.85, 49,033.16 and 20,430.35

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Solution

The fourth proportional to 35,528.85, 49,033.16 and 20,430.35 is: 28,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,528.85 : 49,033.16 = 20,430.35 : x
  2. Step 2: Convert to fraction form
    35,528.85/49,033.16 = 20,430.35/x
  3. Step 3: Cross multiply
    35,528.85x = 49,033.16 × 20,430.35
  4. Step 4: Simplify right side
    35,528.85x = 1,001,764,794.06
  5. Step 5: Solve for x
    x = 1,001,764,794.06/35,528.85
  6. Step 6: Final answer
    x = 28,195.81

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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.