Home / 56,360.67-77,779.17-30,868.44

Finding the Fourth Proportional to 56,360.67, 77,779.17 and 30,868.44

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Solution

The fourth proportional to 56,360.67, 77,779.17 and 30,868.44 is: 42,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,360.67 : 77,779.17 = 30,868.44 : x
  2. Step 2: Convert to fraction form
    56,360.67/77,779.17 = 30,868.44/x
  3. Step 3: Cross multiply
    56,360.67x = 77,779.17 × 30,868.44
  4. Step 4: Simplify right side
    56,360.67x = 2,400,921,642.39
  5. Step 5: Solve for x
    x = 2,400,921,642.39/56,360.67
  6. Step 6: Final answer
    x = 42,599.24

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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.