Home / 56,584.17-78,089.40-31,433.67

Finding the Fourth Proportional to 56,584.17, 78,089.40 and 31,433.67

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Solution

The fourth proportional to 56,584.17, 78,089.40 and 31,433.67 is: 43,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,584.17 : 78,089.40 = 31,433.67 : x
  2. Step 2: Convert to fraction form
    56,584.17/78,089.40 = 31,433.67/x
  3. Step 3: Cross multiply
    56,584.17x = 78,089.40 × 31,433.67
  4. Step 4: Simplify right side
    56,584.17x = 2,454,636,430.10
  5. Step 5: Solve for x
    x = 2,454,636,430.10/56,584.17
  6. Step 6: Final answer
    x = 43,380.27

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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.