Home / 53,356.64-80,047.12-18,294.18

Finding the Fourth Proportional to 53,356.64, 80,047.12 and 18,294.18

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Solution

The fourth proportional to 53,356.64, 80,047.12 and 18,294.18 is: 27,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,356.64 : 80,047.12 = 18,294.18 : x
  2. Step 2: Convert to fraction form
    53,356.64/80,047.12 = 18,294.18/x
  3. Step 3: Cross multiply
    53,356.64x = 80,047.12 × 18,294.18
  4. Step 4: Simplify right side
    53,356.64x = 1,464,396,421.76
  5. Step 5: Solve for x
    x = 1,464,396,421.76/53,356.64
  6. Step 6: Final answer
    x = 27,445.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.