Home / 53,298.64-79,860.46-18,219.16

Finding the Fourth Proportional to 53,298.64, 79,860.46 and 18,219.16

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Solution

The fourth proportional to 53,298.64, 79,860.46 and 18,219.16 is: 27,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,298.64 : 79,860.46 = 18,219.16 : x
  2. Step 2: Convert to fraction form
    53,298.64/79,860.46 = 18,219.16/x
  3. Step 3: Cross multiply
    53,298.64x = 79,860.46 × 18,219.16
  4. Step 4: Simplify right side
    53,298.64x = 1,454,990,498.41
  5. Step 5: Solve for x
    x = 1,454,990,498.41/53,298.64
  6. Step 6: Final answer
    x = 27,298.83

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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.