Home / 31,088.70-46,632.21-7,714.86

Finding the Fourth Proportional to 31,088.70, 46,632.21 and 7,714.86

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Solution

The fourth proportional to 31,088.70, 46,632.21 and 7,714.86 is: 11,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,088.70 : 46,632.21 = 7,714.86 : x
  2. Step 2: Convert to fraction form
    31,088.70/46,632.21 = 7,714.86/x
  3. Step 3: Cross multiply
    31,088.70x = 46,632.21 × 7,714.86
  4. Step 4: Simplify right side
    31,088.70x = 359,760,971.64
  5. Step 5: Solve for x
    x = 359,760,971.64/31,088.70
  6. Step 6: Final answer
    x = 11,572.08

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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.