Home / 56,460.68-77,917.11-30,968.09

Finding the Fourth Proportional to 56,460.68, 77,917.11 and 30,968.09

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Solution

The fourth proportional to 56,460.68, 77,917.11 and 30,968.09 is: 42,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,460.68 : 77,917.11 = 30,968.09 : x
  2. Step 2: Convert to fraction form
    56,460.68/77,917.11 = 30,968.09/x
  3. Step 3: Cross multiply
    56,460.68x = 77,917.11 × 30,968.09
  4. Step 4: Simplify right side
    56,460.68x = 2,412,944,075.02
  5. Step 5: Solve for x
    x = 2,412,944,075.02/56,460.68
  6. Step 6: Final answer
    x = 42,736.72

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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.