Home / 30,734.65-42,416.09-17,307.37

Finding the Fourth Proportional to 30,734.65, 42,416.09 and 17,307.37

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Solution

The fourth proportional to 30,734.65, 42,416.09 and 17,307.37 is: 23,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,734.65 : 42,416.09 = 17,307.37 : x
  2. Step 2: Convert to fraction form
    30,734.65/42,416.09 = 17,307.37/x
  3. Step 3: Cross multiply
    30,734.65x = 42,416.09 × 17,307.37
  4. Step 4: Simplify right side
    30,734.65x = 734,110,877.05
  5. Step 5: Solve for x
    x = 734,110,877.05/30,734.65
  6. Step 6: Final answer
    x = 23,885.45

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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.