Home / 30,944.34-42,681.33-19,014.39

Finding the Fourth Proportional to 30,944.34, 42,681.33 and 19,014.39

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Solution

The fourth proportional to 30,944.34, 42,681.33 and 19,014.39 is: 26,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,944.34 : 42,681.33 = 19,014.39 : x
  2. Step 2: Convert to fraction form
    30,944.34/42,681.33 = 19,014.39/x
  3. Step 3: Cross multiply
    30,944.34x = 42,681.33 × 19,014.39
  4. Step 4: Simplify right side
    30,944.34x = 811,559,454.34
  5. Step 5: Solve for x
    x = 811,559,454.34/30,944.34
  6. Step 6: Final answer
    x = 26,226.43

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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.