Home / 30,854.52-46,252.62-11,127.78

Finding the Fourth Proportional to 30,854.52, 46,252.62 and 11,127.78

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Solution

The fourth proportional to 30,854.52, 46,252.62 and 11,127.78 is: 16,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.52 : 46,252.62 = 11,127.78 : x
  2. Step 2: Convert to fraction form
    30,854.52/46,252.62 = 11,127.78/x
  3. Step 3: Cross multiply
    30,854.52x = 46,252.62 × 11,127.78
  4. Step 4: Simplify right side
    30,854.52x = 514,688,979.78
  5. Step 5: Solve for x
    x = 514,688,979.78/30,854.52
  6. Step 6: Final answer
    x = 16,681.15

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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.