Home / 53,980.11-74,492.91-30,108.33

Finding the Fourth Proportional to 53,980.11, 74,492.91 and 30,108.33

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Solution

The fourth proportional to 53,980.11, 74,492.91 and 30,108.33 is: 41,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,980.11 : 74,492.91 = 30,108.33 : x
  2. Step 2: Convert to fraction form
    53,980.11/74,492.91 = 30,108.33/x
  3. Step 3: Cross multiply
    53,980.11x = 74,492.91 × 30,108.33
  4. Step 4: Simplify right side
    53,980.11x = 2,242,857,116.94
  5. Step 5: Solve for x
    x = 2,242,857,116.94/53,980.11
  6. Step 6: Final answer
    x = 41,549.70

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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.