Home / 45,117.93-67,699.95-30,135.26

Finding the Fourth Proportional to 45,117.93, 67,699.95 and 30,135.26

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Solution

The fourth proportional to 45,117.93, 67,699.95 and 30,135.26 is: 45,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,117.93 : 67,699.95 = 30,135.26 : x
  2. Step 2: Convert to fraction form
    45,117.93/67,699.95 = 30,135.26/x
  3. Step 3: Cross multiply
    45,117.93x = 67,699.95 × 30,135.26
  4. Step 4: Simplify right side
    45,117.93x = 2,040,155,595.24
  5. Step 5: Solve for x
    x = 2,040,155,595.24/45,117.93
  6. Step 6: Final answer
    x = 45,218.29

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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.