Home / 30,726.40-46,095.48-12,005.68

Finding the Fourth Proportional to 30,726.40, 46,095.48 and 12,005.68

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Solution

The fourth proportional to 30,726.40, 46,095.48 and 12,005.68 is: 18,010.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726.40 : 46,095.48 = 12,005.68 : x
  2. Step 2: Convert to fraction form
    30,726.40/46,095.48 = 12,005.68/x
  3. Step 3: Cross multiply
    30,726.40x = 46,095.48 × 12,005.68
  4. Step 4: Simplify right side
    30,726.40x = 553,407,582.33
  5. Step 5: Solve for x
    x = 553,407,582.33/30,726.40
  6. Step 6: Final answer
    x = 18,010.82

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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.