Home / 66,873.86-92,262.29-38,172.81

Finding the Fourth Proportional to 66,873.86, 92,262.29 and 38,172.81

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Solution

The fourth proportional to 66,873.86, 92,262.29 and 38,172.81 is: 52,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,873.86 : 92,262.29 = 38,172.81 : x
  2. Step 2: Convert to fraction form
    66,873.86/92,262.29 = 38,172.81/x
  3. Step 3: Cross multiply
    66,873.86x = 92,262.29 × 38,172.81
  4. Step 4: Simplify right side
    66,873.86x = 3,521,911,021.45
  5. Step 5: Solve for x
    x = 3,521,911,021.45/66,873.86
  6. Step 6: Final answer
    x = 52,664.99

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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.