Home / 56,576.43-78,075.69-31,084.86

Finding the Fourth Proportional to 56,576.43, 78,075.69 and 31,084.86

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Solution

The fourth proportional to 56,576.43, 78,075.69 and 31,084.86 is: 42,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,576.43 : 78,075.69 = 31,084.86 : x
  2. Step 2: Convert to fraction form
    56,576.43/78,075.69 = 31,084.86/x
  3. Step 3: Cross multiply
    56,576.43x = 78,075.69 × 31,084.86
  4. Step 4: Simplify right side
    56,576.43x = 2,426,971,893.05
  5. Step 5: Solve for x
    x = 2,426,971,893.05/56,576.43
  6. Step 6: Final answer
    x = 42,897.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.