Home / 35,112.76-48,455.63-18,980.04

Finding the Fourth Proportional to 35,112.76, 48,455.63 and 18,980.04

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Solution

The fourth proportional to 35,112.76, 48,455.63 and 18,980.04 is: 26,192.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,112.76 : 48,455.63 = 18,980.04 : x
  2. Step 2: Convert to fraction form
    35,112.76/48,455.63 = 18,980.04/x
  3. Step 3: Cross multiply
    35,112.76x = 48,455.63 × 18,980.04
  4. Step 4: Simplify right side
    35,112.76x = 919,689,795.63
  5. Step 5: Solve for x
    x = 919,689,795.63/35,112.76
  6. Step 6: Final answer
    x = 26,192.47

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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.