Home / 53,918.96-74,407.16-30,045.12

Finding the Fourth Proportional to 53,918.96, 74,407.16 and 30,045.12

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Solution

The fourth proportional to 53,918.96, 74,407.16 and 30,045.12 is: 41,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,918.96 : 74,407.16 = 30,045.12 : x
  2. Step 2: Convert to fraction form
    53,918.96/74,407.16 = 30,045.12/x
  3. Step 3: Cross multiply
    53,918.96x = 74,407.16 × 30,045.12
  4. Step 4: Simplify right side
    53,918.96x = 2,235,572,051.06
  5. Step 5: Solve for x
    x = 2,235,572,051.06/53,918.96
  6. Step 6: Final answer
    x = 41,461.71

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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.