Home / 50,751.72-70,032.99-28,090.74

Finding the Fourth Proportional to 50,751.72, 70,032.99 and 28,090.74

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Solution

The fourth proportional to 50,751.72, 70,032.99 and 28,090.74 is: 38,762.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,751.72 : 70,032.99 = 28,090.74 : x
  2. Step 2: Convert to fraction form
    50,751.72/70,032.99 = 28,090.74/x
  3. Step 3: Cross multiply
    50,751.72x = 70,032.99 × 28,090.74
  4. Step 4: Simplify right side
    50,751.72x = 1,967,278,513.51
  5. Step 5: Solve for x
    x = 1,967,278,513.51/50,751.72
  6. Step 6: Final answer
    x = 38,762.79

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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.