Home / 56,106.59-77,427.05-30,956.09

Finding the Fourth Proportional to 56,106.59, 77,427.05 and 30,956.09

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Solution

The fourth proportional to 56,106.59, 77,427.05 and 30,956.09 is: 42,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,106.59 : 77,427.05 = 30,956.09 : x
  2. Step 2: Convert to fraction form
    56,106.59/77,427.05 = 30,956.09/x
  3. Step 3: Cross multiply
    56,106.59x = 77,427.05 × 30,956.09
  4. Step 4: Simplify right side
    56,106.59x = 2,396,838,186.32
  5. Step 5: Solve for x
    x = 2,396,838,186.32/56,106.59
  6. Step 6: Final answer
    x = 42,719.37

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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.