Home / 56,008.09-77,290.93-30,514.38

Finding the Fourth Proportional to 56,008.09, 77,290.93 and 30,514.38

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Solution

The fourth proportional to 56,008.09, 77,290.93 and 30,514.38 is: 42,109.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,008.09 : 77,290.93 = 30,514.38 : x
  2. Step 2: Convert to fraction form
    56,008.09/77,290.93 = 30,514.38/x
  3. Step 3: Cross multiply
    56,008.09x = 77,290.93 × 30,514.38
  4. Step 4: Simplify right side
    56,008.09x = 2,358,484,269.55
  5. Step 5: Solve for x
    x = 2,358,484,269.55/56,008.09
  6. Step 6: Final answer
    x = 42,109.71

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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.