Home / 40,874.16-61,312.38-11,292.00

Finding the Fourth Proportional to 40,874.16, 61,312.38 and 11,292.00

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Solution

The fourth proportional to 40,874.16, 61,312.38 and 11,292.00 is: 16,938.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,874.16 : 61,312.38 = 11,292.00 : x
  2. Step 2: Convert to fraction form
    40,874.16/61,312.38 = 11,292.00/x
  3. Step 3: Cross multiply
    40,874.16x = 61,312.38 × 11,292.00
  4. Step 4: Simplify right side
    40,874.16x = 692,339,088.40
  5. Step 5: Solve for x
    x = 692,339,088.40/40,874.16
  6. Step 6: Final answer
    x = 16,938.31

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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.