Home / 63,085.36-87,056.69-34,405.24

Finding the Fourth Proportional to 63,085.36, 87,056.69 and 34,405.24

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Solution

The fourth proportional to 63,085.36, 87,056.69 and 34,405.24 is: 47,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,085.36 : 87,056.69 = 34,405.24 : x
  2. Step 2: Convert to fraction form
    63,085.36/87,056.69 = 34,405.24/x
  3. Step 3: Cross multiply
    63,085.36x = 87,056.69 × 34,405.24
  4. Step 4: Simplify right side
    63,085.36x = 2,995,206,313.06
  5. Step 5: Solve for x
    x = 2,995,206,313.06/63,085.36
  6. Step 6: Final answer
    x = 47,478.63

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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.