Home / 56,756.07-85,057.56-28,695.92

Finding the Fourth Proportional to 56,756.07, 85,057.56 and 28,695.92

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Solution

The fourth proportional to 56,756.07, 85,057.56 and 28,695.92 is: 43,005.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756.07 : 85,057.56 = 28,695.92 : x
  2. Step 2: Convert to fraction form
    56,756.07/85,057.56 = 28,695.92/x
  3. Step 3: Cross multiply
    56,756.07x = 85,057.56 × 28,695.92
  4. Step 4: Simplify right side
    56,756.07x = 2,440,804,511.87
  5. Step 5: Solve for x
    x = 2,440,804,511.87/56,756.07
  6. Step 6: Final answer
    x = 43,005.17

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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.