Home / 50,916.71-70,263.19-28,256.69

Finding the Fourth Proportional to 50,916.71, 70,263.19 and 28,256.69

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Solution

The fourth proportional to 50,916.71, 70,263.19 and 28,256.69 is: 38,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,916.71 : 70,263.19 = 28,256.69 : x
  2. Step 2: Convert to fraction form
    50,916.71/70,263.19 = 28,256.69/x
  3. Step 3: Cross multiply
    50,916.71x = 70,263.19 × 28,256.69
  4. Step 4: Simplify right side
    50,916.71x = 1,985,405,178.24
  5. Step 5: Solve for x
    x = 1,985,405,178.24/50,916.71
  6. Step 6: Final answer
    x = 38,993.19

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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.