Home / 56,582.52-78,083.57-30,740.85

Finding the Fourth Proportional to 56,582.52, 78,083.57 and 30,740.85

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Solution

The fourth proportional to 56,582.52, 78,083.57 and 30,740.85 is: 42,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,582.52 : 78,083.57 = 30,740.85 : x
  2. Step 2: Convert to fraction form
    56,582.52/78,083.57 = 30,740.85/x
  3. Step 3: Cross multiply
    56,582.52x = 78,083.57 × 30,740.85
  4. Step 4: Simplify right side
    56,582.52x = 2,400,355,159.13
  5. Step 5: Solve for x
    x = 2,400,355,159.13/56,582.52
  6. Step 6: Final answer
    x = 42,422.20

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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.