Home / 30,252.66-45,385.47-12,712.38

Finding the Fourth Proportional to 30,252.66, 45,385.47 and 12,712.38

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Solution

The fourth proportional to 30,252.66, 45,385.47 and 12,712.38 is: 19,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.66 : 45,385.47 = 12,712.38 : x
  2. Step 2: Convert to fraction form
    30,252.66/45,385.47 = 12,712.38/x
  3. Step 3: Cross multiply
    30,252.66x = 45,385.47 × 12,712.38
  4. Step 4: Simplify right side
    30,252.66x = 576,957,341.12
  5. Step 5: Solve for x
    x = 576,957,341.12/30,252.66
  6. Step 6: Final answer
    x = 19,071.29

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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.