Home / 35,640.76-49,186.53-20,533.14

Finding the Fourth Proportional to 35,640.76, 49,186.53 and 20,533.14

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Solution

The fourth proportional to 35,640.76, 49,186.53 and 20,533.14 is: 28,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640.76 : 49,186.53 = 20,533.14 : x
  2. Step 2: Convert to fraction form
    35,640.76/49,186.53 = 20,533.14/x
  3. Step 3: Cross multiply
    35,640.76x = 49,186.53 × 20,533.14
  4. Step 4: Simplify right side
    35,640.76x = 1,009,953,803.94
  5. Step 5: Solve for x
    x = 1,009,953,803.94/35,640.76
  6. Step 6: Final answer
    x = 28,337.05

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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.