Home / 35,784.08-49,378.48-20,675.55

Finding the Fourth Proportional to 35,784.08, 49,378.48 and 20,675.55

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Solution

The fourth proportional to 35,784.08, 49,378.48 and 20,675.55 is: 28,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,784.08 : 49,378.48 = 20,675.55 : x
  2. Step 2: Convert to fraction form
    35,784.08/49,378.48 = 20,675.55/x
  3. Step 3: Cross multiply
    35,784.08x = 49,378.48 × 20,675.55
  4. Step 4: Simplify right side
    35,784.08x = 1,020,927,232.16
  5. Step 5: Solve for x
    x = 1,020,927,232.16/35,784.08
  6. Step 6: Final answer
    x = 28,530.21

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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.