Home / 30,670.48-42,322.35-17,926.65

Finding the Fourth Proportional to 30,670.48, 42,322.35 and 17,926.65

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Solution

The fourth proportional to 30,670.48, 42,322.35 and 17,926.65 is: 24,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.48 : 42,322.35 = 17,926.65 : x
  2. Step 2: Convert to fraction form
    30,670.48/42,322.35 = 17,926.65/x
  3. Step 3: Cross multiply
    30,670.48x = 42,322.35 × 17,926.65
  4. Step 4: Simplify right side
    30,670.48x = 758,697,922.02
  5. Step 5: Solve for x
    x = 758,697,922.02/30,670.48
  6. Step 6: Final answer
    x = 24,737.07

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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.