Home / 31,018.26-46,531.68-9,953.35

Finding the Fourth Proportional to 31,018.26, 46,531.68 and 9,953.35

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Solution

The fourth proportional to 31,018.26, 46,531.68 and 9,953.35 is: 14,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,018.26 : 46,531.68 = 9,953.35 : x
  2. Step 2: Convert to fraction form
    31,018.26/46,531.68 = 9,953.35/x
  3. Step 3: Cross multiply
    31,018.26x = 46,531.68 × 9,953.35
  4. Step 4: Simplify right side
    31,018.26x = 463,145,980.80
  5. Step 5: Solve for x
    x = 463,145,980.80/31,018.26
  6. Step 6: Final answer
    x = 14,931.40

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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.