Home / 31,070.16-46,660.32-28,599.12

Finding the Fourth Proportional to 31,070.16, 46,660.32 and 28,599.12

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Solution

The fourth proportional to 31,070.16, 46,660.32 and 28,599.12 is: 42,949.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,070.16 : 46,660.32 = 28,599.12 : x
  2. Step 2: Convert to fraction form
    31,070.16/46,660.32 = 28,599.12/x
  3. Step 3: Cross multiply
    31,070.16x = 46,660.32 × 28,599.12
  4. Step 4: Simplify right side
    31,070.16x = 1,334,444,090.92
  5. Step 5: Solve for x
    x = 1,334,444,090.92/31,070.16
  6. Step 6: Final answer
    x = 42,949.38

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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.