Home / 30,214.49-45,326.35-15,415.35

Finding the Fourth Proportional to 30,214.49, 45,326.35 and 15,415.35

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Solution

The fourth proportional to 30,214.49, 45,326.35 and 15,415.35 is: 23,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.49 : 45,326.35 = 15,415.35 : x
  2. Step 2: Convert to fraction form
    30,214.49/45,326.35 = 15,415.35/x
  3. Step 3: Cross multiply
    30,214.49x = 45,326.35 × 15,415.35
  4. Step 4: Simplify right side
    30,214.49x = 698,721,398.77
  5. Step 5: Solve for x
    x = 698,721,398.77/30,214.49
  6. Step 6: Final answer
    x = 23,125.38

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1.5x scale

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.