Home / 53,012.98-73,158.48-28,813.94

Finding the Fourth Proportional to 53,012.98, 73,158.48 and 28,813.94

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Solution

The fourth proportional to 53,012.98, 73,158.48 and 28,813.94 is: 39,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012.98 : 73,158.48 = 28,813.94 : x
  2. Step 2: Convert to fraction form
    53,012.98/73,158.48 = 28,813.94/x
  3. Step 3: Cross multiply
    53,012.98x = 73,158.48 × 28,813.94
  4. Step 4: Simplify right side
    53,012.98x = 2,107,984,053.21
  5. Step 5: Solve for x
    x = 2,107,984,053.21/53,012.98
  6. Step 6: Final answer
    x = 39,763.55

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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.