Home / 42,315.36-58,379.58-25,320.02

Finding the Fourth Proportional to 42,315.36, 58,379.58 and 25,320.02

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Solution

The fourth proportional to 42,315.36, 58,379.58 and 25,320.02 is: 34,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,315.36 : 58,379.58 = 25,320.02 : x
  2. Step 2: Convert to fraction form
    42,315.36/58,379.58 = 25,320.02/x
  3. Step 3: Cross multiply
    42,315.36x = 58,379.58 × 25,320.02
  4. Step 4: Simplify right side
    42,315.36x = 1,478,172,133.19
  5. Step 5: Solve for x
    x = 1,478,172,133.19/42,315.36
  6. Step 6: Final answer
    x = 34,932.28

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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.