Home / 43,037.04-64,497.18-20,806.14

Finding the Fourth Proportional to 43,037.04, 64,497.18 and 20,806.14

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Solution

The fourth proportional to 43,037.04, 64,497.18 and 20,806.14 is: 31,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,037.04 : 64,497.18 = 20,806.14 : x
  2. Step 2: Convert to fraction form
    43,037.04/64,497.18 = 20,806.14/x
  3. Step 3: Cross multiply
    43,037.04x = 64,497.18 × 20,806.14
  4. Step 4: Simplify right side
    43,037.04x = 1,341,937,356.69
  5. Step 5: Solve for x
    x = 1,341,937,356.69/43,037.04
  6. Step 6: Final answer
    x = 31,180.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.