Home / 61,784.63-92,621.46-30,176.81

Finding the Fourth Proportional to 61,784.63, 92,621.46 and 30,176.81

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Solution

The fourth proportional to 61,784.63, 92,621.46 and 30,176.81 is: 45,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784.63 : 92,621.46 = 30,176.81 : x
  2. Step 2: Convert to fraction form
    61,784.63/92,621.46 = 30,176.81/x
  3. Step 3: Cross multiply
    61,784.63x = 92,621.46 × 30,176.81
  4. Step 4: Simplify right side
    61,784.63x = 2,795,020,200.34
  5. Step 5: Solve for x
    x = 2,795,020,200.34/61,784.63
  6. Step 6: Final answer
    x = 45,238.12

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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.