Home / 30,041.76-41,458.95-18,717.96

Finding the Fourth Proportional to 30,041.76, 41,458.95 and 18,717.96

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Solution

The fourth proportional to 30,041.76, 41,458.95 and 18,717.96 is: 25,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041.76 : 41,458.95 = 18,717.96 : x
  2. Step 2: Convert to fraction form
    30,041.76/41,458.95 = 18,717.96/x
  3. Step 3: Cross multiply
    30,041.76x = 41,458.95 × 18,717.96
  4. Step 4: Simplify right side
    30,041.76x = 776,026,967.74
  5. Step 5: Solve for x
    x = 776,026,967.74/30,041.76
  6. Step 6: Final answer
    x = 25,831.61

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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.