Home / 51,267.84-76,894.08-42,558.72

Finding the Fourth Proportional to 51,267.84, 76,894.08 and 42,558.72

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Solution

The fourth proportional to 51,267.84, 76,894.08 and 42,558.72 is: 63,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,267.84 : 76,894.08 = 42,558.72 : x
  2. Step 2: Convert to fraction form
    51,267.84/76,894.08 = 42,558.72/x
  3. Step 3: Cross multiply
    51,267.84x = 76,894.08 × 42,558.72
  4. Step 4: Simplify right side
    51,267.84x = 3,272,513,620.38
  5. Step 5: Solve for x
    x = 3,272,513,620.38/51,267.84
  6. Step 6: Final answer
    x = 63,831.70

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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.