Home / 30,656.22-42,307.54-17,913.54

Finding the Fourth Proportional to 30,656.22, 42,307.54 and 17,913.54

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Solution

The fourth proportional to 30,656.22, 42,307.54 and 17,913.54 is: 24,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,656.22 : 42,307.54 = 17,913.54 : x
  2. Step 2: Convert to fraction form
    30,656.22/42,307.54 = 17,913.54/x
  3. Step 3: Cross multiply
    30,656.22x = 42,307.54 × 17,913.54
  4. Step 4: Simplify right side
    30,656.22x = 757,877,810.09
  5. Step 5: Solve for x
    x = 757,877,810.09/30,656.22
  6. Step 6: Final answer
    x = 24,721.83

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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.