Home / 53,356.72-80,035.08-30,125.92

Finding the Fourth Proportional to 53,356.72, 80,035.08 and 30,125.92

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Solution

The fourth proportional to 53,356.72, 80,035.08 and 30,125.92 is: 45,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,356.72 : 80,035.08 = 30,125.92 : x
  2. Step 2: Convert to fraction form
    53,356.72/80,035.08 = 30,125.92/x
  3. Step 3: Cross multiply
    53,356.72x = 80,035.08 × 30,125.92
  4. Step 4: Simplify right side
    53,356.72x = 2,411,130,417.27
  5. Step 5: Solve for x
    x = 2,411,130,417.27/53,356.72
  6. Step 6: Final answer
    x = 45,188.88

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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.