Home / 43,085.84-64,663.32-22,315.28

Finding the Fourth Proportional to 43,085.84, 64,663.32 and 22,315.28

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Solution

The fourth proportional to 43,085.84, 64,663.32 and 22,315.28 is: 33,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,085.84 : 64,663.32 = 22,315.28 : x
  2. Step 2: Convert to fraction form
    43,085.84/64,663.32 = 22,315.28/x
  3. Step 3: Cross multiply
    43,085.84x = 64,663.32 × 22,315.28
  4. Step 4: Simplify right side
    43,085.84x = 1,442,980,091.53
  5. Step 5: Solve for x
    x = 1,442,980,091.53/43,085.84
  6. Step 6: Final answer
    x = 33,490.82

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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.