Home / 50,826.10-70,140.43-28,165.47

Finding the Fourth Proportional to 50,826.10, 70,140.43 and 28,165.47

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Solution

The fourth proportional to 50,826.10, 70,140.43 and 28,165.47 is: 38,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,826.10 : 70,140.43 = 28,165.47 : x
  2. Step 2: Convert to fraction form
    50,826.10/70,140.43 = 28,165.47/x
  3. Step 3: Cross multiply
    50,826.10x = 70,140.43 × 28,165.47
  4. Step 4: Simplify right side
    50,826.10x = 1,975,538,176.95
  5. Step 5: Solve for x
    x = 1,975,538,176.95/50,826.10
  6. Step 6: Final answer
    x = 38,868.58

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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.