Home / 58,320.32-80,440.58-38,929.45

Finding the Fourth Proportional to 58,320.32, 80,440.58 and 38,929.45

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Solution

The fourth proportional to 58,320.32, 80,440.58 and 38,929.45 is: 53,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,320.32 : 80,440.58 = 38,929.45 : x
  2. Step 2: Convert to fraction form
    58,320.32/80,440.58 = 38,929.45/x
  3. Step 3: Cross multiply
    58,320.32x = 80,440.58 × 38,929.45
  4. Step 4: Simplify right side
    58,320.32x = 3,131,507,537.08
  5. Step 5: Solve for x
    x = 3,131,507,537.08/58,320.32
  6. Step 6: Final answer
    x = 53,694.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.