Home / 50,977.29-70,346.69-28,317.72

Finding the Fourth Proportional to 50,977.29, 70,346.69 and 28,317.72

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Solution

The fourth proportional to 50,977.29, 70,346.69 and 28,317.72 is: 39,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,977.29 : 70,346.69 = 28,317.72 : x
  2. Step 2: Convert to fraction form
    50,977.29/70,346.69 = 28,317.72/x
  3. Step 3: Cross multiply
    50,977.29x = 70,346.69 × 28,317.72
  4. Step 4: Simplify right side
    50,977.29x = 1,992,058,098.75
  5. Step 5: Solve for x
    x = 1,992,058,098.75/50,977.29
  6. Step 6: Final answer
    x = 39,077.36

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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.