Home / 34,057.24-47,005.48-21,316.36

Finding the Fourth Proportional to 34,057.24, 47,005.48 and 21,316.36

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Solution

The fourth proportional to 34,057.24, 47,005.48 and 21,316.36 is: 29,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,057.24 : 47,005.48 = 21,316.36 : x
  2. Step 2: Convert to fraction form
    34,057.24/47,005.48 = 21,316.36/x
  3. Step 3: Cross multiply
    34,057.24x = 47,005.48 × 21,316.36
  4. Step 4: Simplify right side
    34,057.24x = 1,001,985,733.65
  5. Step 5: Solve for x
    x = 1,001,985,733.65/34,057.24
  6. Step 6: Final answer
    x = 29,420.64

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1.5x scale

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.