Home / 56,746.53-78,309.45-31,596.03

Finding the Fourth Proportional to 56,746.53, 78,309.45 and 31,596.03

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Solution

The fourth proportional to 56,746.53, 78,309.45 and 31,596.03 is: 43,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,746.53 : 78,309.45 = 31,596.03 : x
  2. Step 2: Convert to fraction form
    56,746.53/78,309.45 = 31,596.03/x
  3. Step 3: Cross multiply
    56,746.53x = 78,309.45 × 31,596.03
  4. Step 4: Simplify right side
    56,746.53x = 2,474,267,731.48
  5. Step 5: Solve for x
    x = 2,474,267,731.48/56,746.53
  6. Step 6: Final answer
    x = 43,602.10

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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.