Home / 35,955.90-49,618.98-20,857.32

Finding the Fourth Proportional to 35,955.90, 49,618.98 and 20,857.32

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Solution

The fourth proportional to 35,955.90, 49,618.98 and 20,857.32 is: 28,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,955.90 : 49,618.98 = 20,857.32 : x
  2. Step 2: Convert to fraction form
    35,955.90/49,618.98 = 20,857.32/x
  3. Step 3: Cross multiply
    35,955.90x = 49,618.98 × 20,857.32
  4. Step 4: Simplify right side
    35,955.90x = 1,034,918,943.93
  5. Step 5: Solve for x
    x = 1,034,918,943.93/35,955.90
  6. Step 6: Final answer
    x = 28,783.01

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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.