Home / 35,828.86-53,586.10-31,907.76

Finding the Fourth Proportional to 35,828.86, 53,586.10 and 31,907.76

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Solution

The fourth proportional to 35,828.86, 53,586.10 and 31,907.76 is: 47,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,828.86 : 53,586.10 = 31,907.76 : x
  2. Step 2: Convert to fraction form
    35,828.86/53,586.10 = 31,907.76/x
  3. Step 3: Cross multiply
    35,828.86x = 53,586.10 × 31,907.76
  4. Step 4: Simplify right side
    35,828.86x = 1,709,812,418.14
  5. Step 5: Solve for x
    x = 1,709,812,418.14/35,828.86
  6. Step 6: Final answer
    x = 47,721.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.