Home / 39,715.92-59,804.64-28,697.76

Finding the Fourth Proportional to 39,715.92, 59,804.64 and 28,697.76

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Solution

The fourth proportional to 39,715.92, 59,804.64 and 28,697.76 is: 43,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,715.92 : 59,804.64 = 28,697.76 : x
  2. Step 2: Convert to fraction form
    39,715.92/59,804.64 = 28,697.76/x
  3. Step 3: Cross multiply
    39,715.92x = 59,804.64 × 28,697.76
  4. Step 4: Simplify right side
    39,715.92x = 1,716,259,205.61
  5. Step 5: Solve for x
    x = 1,716,259,205.61/39,715.92
  6. Step 6: Final answer
    x = 43,213.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.