Home / 56,925.55-85,412.94-21,857.05

Finding the Fourth Proportional to 56,925.55, 85,412.94 and 21,857.05

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Solution

The fourth proportional to 56,925.55, 85,412.94 and 21,857.05 is: 32,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,925.55 : 85,412.94 = 21,857.05 : x
  2. Step 2: Convert to fraction form
    56,925.55/85,412.94 = 21,857.05/x
  3. Step 3: Cross multiply
    56,925.55x = 85,412.94 × 21,857.05
  4. Step 4: Simplify right side
    56,925.55x = 1,866,874,900.23
  5. Step 5: Solve for x
    x = 1,866,874,900.23/56,925.55
  6. Step 6: Final answer
    x = 32,795.03

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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.