Home / 42,318.88-58,400.48-23,456.32

Finding the Fourth Proportional to 42,318.88, 58,400.48 and 23,456.32

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Solution

The fourth proportional to 42,318.88, 58,400.48 and 23,456.32 is: 32,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,318.88 : 58,400.48 = 23,456.32 : x
  2. Step 2: Convert to fraction form
    42,318.88/58,400.48 = 23,456.32/x
  3. Step 3: Cross multiply
    42,318.88x = 58,400.48 × 23,456.32
  4. Step 4: Simplify right side
    42,318.88x = 1,369,860,347.03
  5. Step 5: Solve for x
    x = 1,369,860,347.03/42,318.88
  6. Step 6: Final answer
    x = 32,369.96

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1.5x scale

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.