Home / 55,420.29-76,479.53-30,269.25

Finding the Fourth Proportional to 55,420.29, 76,479.53 and 30,269.25

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Solution

The fourth proportional to 55,420.29, 76,479.53 and 30,269.25 is: 41,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420.29 : 76,479.53 = 30,269.25 : x
  2. Step 2: Convert to fraction form
    55,420.29/76,479.53 = 30,269.25/x
  3. Step 3: Cross multiply
    55,420.29x = 76,479.53 × 30,269.25
  4. Step 4: Simplify right side
    55,420.29x = 2,314,977,862.11
  5. Step 5: Solve for x
    x = 2,314,977,862.11/55,420.29
  6. Step 6: Final answer
    x = 41,771.31

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1.5x scale

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.