Home / 50,881.07-70,212.08-28,520.75

Finding the Fourth Proportional to 50,881.07, 70,212.08 and 28,520.75

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Solution

The fourth proportional to 50,881.07, 70,212.08 and 28,520.75 is: 39,356.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,881.07 : 70,212.08 = 28,520.75 : x
  2. Step 2: Convert to fraction form
    50,881.07/70,212.08 = 28,520.75/x
  3. Step 3: Cross multiply
    50,881.07x = 70,212.08 × 28,520.75
  4. Step 4: Simplify right side
    50,881.07x = 2,002,501,038.06
  5. Step 5: Solve for x
    x = 2,002,501,038.06/50,881.07
  6. Step 6: Final answer
    x = 39,356.50

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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.