Home / 31,320.23-46,980.48-9,133.71

Finding the Fourth Proportional to 31,320.23, 46,980.48 and 9,133.71

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Solution

The fourth proportional to 31,320.23, 46,980.48 and 9,133.71 is: 13,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,320.23 : 46,980.48 = 9,133.71 : x
  2. Step 2: Convert to fraction form
    31,320.23/46,980.48 = 9,133.71/x
  3. Step 3: Cross multiply
    31,320.23x = 46,980.48 × 9,133.71
  4. Step 4: Simplify right side
    31,320.23x = 429,106,079.98
  5. Step 5: Solve for x
    x = 429,106,079.98/31,320.23
  6. Step 6: Final answer
    x = 13,700.61

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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.