Home / 31,188.46-46,785.64-8,700.63

Finding the Fourth Proportional to 31,188.46, 46,785.64 and 8,700.63

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Solution

The fourth proportional to 31,188.46, 46,785.64 and 8,700.63 is: 13,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,188.46 : 46,785.64 = 8,700.63 : x
  2. Step 2: Convert to fraction form
    31,188.46/46,785.64 = 8,700.63/x
  3. Step 3: Cross multiply
    31,188.46x = 46,785.64 × 8,700.63
  4. Step 4: Simplify right side
    31,188.46x = 407,064,594.65
  5. Step 5: Solve for x
    x = 407,064,594.65/31,188.46
  6. Step 6: Final answer
    x = 13,051.77

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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.