Home / 53,979.96-74,492.66-30,108.18

Finding the Fourth Proportional to 53,979.96, 74,492.66 and 30,108.18

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Solution

The fourth proportional to 53,979.96, 74,492.66 and 30,108.18 is: 41,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.96 : 74,492.66 = 30,108.18 : x
  2. Step 2: Convert to fraction form
    53,979.96/74,492.66 = 30,108.18/x
  3. Step 3: Cross multiply
    53,979.96x = 74,492.66 × 30,108.18
  4. Step 4: Simplify right side
    53,979.96x = 2,242,838,415.96
  5. Step 5: Solve for x
    x = 2,242,838,415.96/53,979.96
  6. Step 6: Final answer
    x = 41,549.46

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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.