Home / 53,905.20-74,384.33-30,031.35

Finding the Fourth Proportional to 53,905.20, 74,384.33 and 30,031.35

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Solution

The fourth proportional to 53,905.20, 74,384.33 and 30,031.35 is: 41,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,905.20 : 74,384.33 = 30,031.35 : x
  2. Step 2: Convert to fraction form
    53,905.20/74,384.33 = 30,031.35/x
  3. Step 3: Cross multiply
    53,905.20x = 74,384.33 × 30,031.35
  4. Step 4: Simplify right side
    53,905.20x = 2,233,861,698.59
  5. Step 5: Solve for x
    x = 2,233,861,698.59/53,905.20
  6. Step 6: Final answer
    x = 41,440.56

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1.5x scale

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.