Home / 50,011.08-69,017.34-28,790.16

Finding the Fourth Proportional to 50,011.08, 69,017.34 and 28,790.16

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Solution

The fourth proportional to 50,011.08, 69,017.34 and 28,790.16 is: 39,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,011.08 : 69,017.34 = 28,790.16 : x
  2. Step 2: Convert to fraction form
    50,011.08/69,017.34 = 28,790.16/x
  3. Step 3: Cross multiply
    50,011.08x = 69,017.34 × 28,790.16
  4. Step 4: Simplify right side
    50,011.08x = 1,987,020,261.37
  5. Step 5: Solve for x
    x = 1,987,020,261.37/50,011.08
  6. Step 6: Final answer
    x = 39,731.60

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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.