Home / 56,578.42-78,130.74-36,482.32

Finding the Fourth Proportional to 56,578.42, 78,130.74 and 36,482.32

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Solution

The fourth proportional to 56,578.42, 78,130.74 and 36,482.32 is: 50,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,578.42 : 78,130.74 = 36,482.32 : x
  2. Step 2: Convert to fraction form
    56,578.42/78,130.74 = 36,482.32/x
  3. Step 3: Cross multiply
    56,578.42x = 78,130.74 × 36,482.32
  4. Step 4: Simplify right side
    56,578.42x = 2,850,390,658.52
  5. Step 5: Solve for x
    x = 2,850,390,658.52/56,578.42
  6. Step 6: Final answer
    x = 50,379.47

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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.