Home / 56,094.93-77,405.63-30,942.81

Finding the Fourth Proportional to 56,094.93, 77,405.63 and 30,942.81

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Solution

The fourth proportional to 56,094.93, 77,405.63 and 30,942.81 is: 42,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,094.93 : 77,405.63 = 30,942.81 : x
  2. Step 2: Convert to fraction form
    56,094.93/77,405.63 = 30,942.81/x
  3. Step 3: Cross multiply
    56,094.93x = 77,405.63 × 30,942.81
  4. Step 4: Simplify right side
    56,094.93x = 2,395,147,547.31
  5. Step 5: Solve for x
    x = 2,395,147,547.31/56,094.93
  6. Step 6: Final answer
    x = 42,698.11

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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.