Home / 53,574.28-73,931.92-30,913

Finding the Fourth Proportional to 53,574.28, 73,931.92 and 30,913

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Solution

The fourth proportional to 53,574.28, 73,931.92 and 30,913 is: 42,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,574.28 : 73,931.92 = 30,913 : x
  2. Step 2: Convert to fraction form
    53,574.28/73,931.92 = 30,913/x
  3. Step 3: Cross multiply
    53,574.28x = 73,931.92 × 30,913
  4. Step 4: Simplify right side
    53,574.28x = 2,285,457,442.96
  5. Step 5: Solve for x
    x = 2,285,457,442.96/53,574.28
  6. Step 6: Final answer
    x = 42,659.60

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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.