Home / 50,038.86-69,070.98-28,826.58

Finding the Fourth Proportional to 50,038.86, 69,070.98 and 28,826.58

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Solution

The fourth proportional to 50,038.86, 69,070.98 and 28,826.58 is: 39,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,038.86 : 69,070.98 = 28,826.58 : x
  2. Step 2: Convert to fraction form
    50,038.86/69,070.98 = 28,826.58/x
  3. Step 3: Cross multiply
    50,038.86x = 69,070.98 × 28,826.58
  4. Step 4: Simplify right side
    50,038.86x = 1,991,080,130.65
  5. Step 5: Solve for x
    x = 1,991,080,130.65/50,038.86
  6. Step 6: Final answer
    x = 39,790.68

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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.