Home / 53,779.14-74,110.41-40,365.54

Finding the Fourth Proportional to 53,779.14, 74,110.41 and 40,365.54

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Solution

The fourth proportional to 53,779.14, 74,110.41 and 40,365.54 is: 55,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.14 : 74,110.41 = 40,365.54 : x
  2. Step 2: Convert to fraction form
    53,779.14/74,110.41 = 40,365.54/x
  3. Step 3: Cross multiply
    53,779.14x = 74,110.41 × 40,365.54
  4. Step 4: Simplify right side
    53,779.14x = 2,991,506,719.27
  5. Step 5: Solve for x
    x = 2,991,506,719.27/53,779.14
  6. Step 6: Final answer
    x = 55,625.78

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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.