Home / 51,384.81-76,894.95-30,263.25

Finding the Fourth Proportional to 51,384.81, 76,894.95 and 30,263.25

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Solution

The fourth proportional to 51,384.81, 76,894.95 and 30,263.25 is: 45,287.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,384.81 : 76,894.95 = 30,263.25 : x
  2. Step 2: Convert to fraction form
    51,384.81/76,894.95 = 30,263.25/x
  3. Step 3: Cross multiply
    51,384.81x = 76,894.95 × 30,263.25
  4. Step 4: Simplify right side
    51,384.81x = 2,327,091,095.59
  5. Step 5: Solve for x
    x = 2,327,091,095.59/51,384.81
  6. Step 6: Final answer
    x = 45,287.53

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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.