Home / 56,158.84-84,210.09-18,705.75

Finding the Fourth Proportional to 56,158.84, 84,210.09 and 18,705.75

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Solution

The fourth proportional to 56,158.84, 84,210.09 and 18,705.75 is: 28,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,158.84 : 84,210.09 = 18,705.75 : x
  2. Step 2: Convert to fraction form
    56,158.84/84,210.09 = 18,705.75/x
  3. Step 3: Cross multiply
    56,158.84x = 84,210.09 × 18,705.75
  4. Step 4: Simplify right side
    56,158.84x = 1,575,212,891.02
  5. Step 5: Solve for x
    x = 1,575,212,891.02/56,158.84
  6. Step 6: Final answer
    x = 28,049.24

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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.