Home / 56,372.05-77,794.44-30,878.01

Finding the Fourth Proportional to 56,372.05, 77,794.44 and 30,878.01

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Solution

The fourth proportional to 56,372.05, 77,794.44 and 30,878.01 is: 42,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,372.05 : 77,794.44 = 30,878.01 : x
  2. Step 2: Convert to fraction form
    56,372.05/77,794.44 = 30,878.01/x
  3. Step 3: Cross multiply
    56,372.05x = 77,794.44 × 30,878.01
  4. Step 4: Simplify right side
    56,372.05x = 2,402,137,423.89
  5. Step 5: Solve for x
    x = 2,402,137,423.89/56,372.05
  6. Step 6: Final answer
    x = 42,612.21

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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.