Home / 35,478.32-53,217.48-19,675.88

Finding the Fourth Proportional to 35,478.32, 53,217.48 and 19,675.88

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Solution

The fourth proportional to 35,478.32, 53,217.48 and 19,675.88 is: 29,513.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478.32 : 53,217.48 = 19,675.88 : x
  2. Step 2: Convert to fraction form
    35,478.32/53,217.48 = 19,675.88/x
  3. Step 3: Cross multiply
    35,478.32x = 53,217.48 × 19,675.88
  4. Step 4: Simplify right side
    35,478.32x = 1,047,100,750.38
  5. Step 5: Solve for x
    x = 1,047,100,750.38/35,478.32
  6. Step 6: Final answer
    x = 29,513.82

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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.