Home / 40,897.80-61,325.10-14,603.40

Finding the Fourth Proportional to 40,897.80, 61,325.10 and 14,603.40

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Solution

The fourth proportional to 40,897.80, 61,325.10 and 14,603.40 is: 21,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,897.80 : 61,325.10 = 14,603.40 : x
  2. Step 2: Convert to fraction form
    40,897.80/61,325.10 = 14,603.40/x
  3. Step 3: Cross multiply
    40,897.80x = 61,325.10 × 14,603.40
  4. Step 4: Simplify right side
    40,897.80x = 895,554,965.34
  5. Step 5: Solve for x
    x = 895,554,965.34/40,897.80
  6. Step 6: Final answer
    x = 21,897.39

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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.