Home / 35,772.72-49,368.84-20,670.48

Finding the Fourth Proportional to 35,772.72, 49,368.84 and 20,670.48

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Solution

The fourth proportional to 35,772.72, 49,368.84 and 20,670.48 is: 28,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.72 : 49,368.84 = 20,670.48 : x
  2. Step 2: Convert to fraction form
    35,772.72/49,368.84 = 20,670.48/x
  3. Step 3: Cross multiply
    35,772.72x = 49,368.84 × 20,670.48
  4. Step 4: Simplify right side
    35,772.72x = 1,020,477,619.84
  5. Step 5: Solve for x
    x = 1,020,477,619.84/35,772.72
  6. Step 6: Final answer
    x = 28,526.70

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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.