Home / 55,880.49-77,114.65-30,386.86

Finding the Fourth Proportional to 55,880.49, 77,114.65 and 30,386.86

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Solution

The fourth proportional to 55,880.49, 77,114.65 and 30,386.86 is: 41,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,880.49 : 77,114.65 = 30,386.86 : x
  2. Step 2: Convert to fraction form
    55,880.49/77,114.65 = 30,386.86/x
  3. Step 3: Cross multiply
    55,880.49x = 77,114.65 × 30,386.86
  4. Step 4: Simplify right side
    55,880.49x = 2,343,271,921.56
  5. Step 5: Solve for x
    x = 2,343,271,921.56/55,880.49
  6. Step 6: Final answer
    x = 41,933.64

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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.