Home / 53,980.26-74,492.90-30,108.48

Finding the Fourth Proportional to 53,980.26, 74,492.90 and 30,108.48

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Solution

The fourth proportional to 53,980.26, 74,492.90 and 30,108.48 is: 41,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,980.26 : 74,492.90 = 30,108.48 : x
  2. Step 2: Convert to fraction form
    53,980.26/74,492.90 = 30,108.48/x
  3. Step 3: Cross multiply
    53,980.26x = 74,492.90 × 30,108.48
  4. Step 4: Simplify right side
    53,980.26x = 2,242,867,989.79
  5. Step 5: Solve for x
    x = 2,242,867,989.79/53,980.26
  6. Step 6: Final answer
    x = 41,549.78

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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.