Home / 50,931.30-70,284.83-28,269.51

Finding the Fourth Proportional to 50,931.30, 70,284.83 and 28,269.51

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Solution

The fourth proportional to 50,931.30, 70,284.83 and 28,269.51 is: 39,011.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931.30 : 70,284.83 = 28,269.51 : x
  2. Step 2: Convert to fraction form
    50,931.30/70,284.83 = 28,269.51/x
  3. Step 3: Cross multiply
    50,931.30x = 70,284.83 × 28,269.51
  4. Step 4: Simplify right side
    50,931.30x = 1,986,917,563.19
  5. Step 5: Solve for x
    x = 1,986,917,563.19/50,931.30
  6. Step 6: Final answer
    x = 39,011.72

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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.