Home / 56,852.34-78,456.06-31,701.84

Finding the Fourth Proportional to 56,852.34, 78,456.06 and 31,701.84

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Solution

The fourth proportional to 56,852.34, 78,456.06 and 31,701.84 is: 43,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,852.34 : 78,456.06 = 31,701.84 : x
  2. Step 2: Convert to fraction form
    56,852.34/78,456.06 = 31,701.84/x
  3. Step 3: Cross multiply
    56,852.34x = 78,456.06 × 31,701.84
  4. Step 4: Simplify right side
    56,852.34x = 2,487,201,461.15
  5. Step 5: Solve for x
    x = 2,487,201,461.15/56,852.34
  6. Step 6: Final answer
    x = 43,748.44

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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.