Home / 31,315.64-46,971.32-14,679.38

Finding the Fourth Proportional to 31,315.64, 46,971.32 and 14,679.38

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Solution

The fourth proportional to 31,315.64, 46,971.32 and 14,679.38 is: 22,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.64 : 46,971.32 = 14,679.38 : x
  2. Step 2: Convert to fraction form
    31,315.64/46,971.32 = 14,679.38/x
  3. Step 3: Cross multiply
    31,315.64x = 46,971.32 × 14,679.38
  4. Step 4: Simplify right side
    31,315.64x = 689,509,547.13
  5. Step 5: Solve for x
    x = 689,509,547.13/31,315.64
  6. Step 6: Final answer
    x = 22,018.06

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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.