Home / 56,573.24-78,072.30-31,079.93

Finding the Fourth Proportional to 56,573.24, 78,072.30 and 31,079.93

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Solution

The fourth proportional to 56,573.24, 78,072.30 and 31,079.93 is: 42,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,573.24 : 78,072.30 = 31,079.93 : x
  2. Step 2: Convert to fraction form
    56,573.24/78,072.30 = 31,079.93/x
  3. Step 3: Cross multiply
    56,573.24x = 78,072.30 × 31,079.93
  4. Step 4: Simplify right side
    56,573.24x = 2,426,481,228.58
  5. Step 5: Solve for x
    x = 2,426,481,228.58/56,573.24
  6. Step 6: Final answer
    x = 42,890.98

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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.