Home / 53,981.76-74,491.44-30,109.98

Finding the Fourth Proportional to 53,981.76, 74,491.44 and 30,109.98

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Solution

The fourth proportional to 53,981.76, 74,491.44 and 30,109.98 is: 41,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.76 : 74,491.44 = 30,109.98 : x
  2. Step 2: Convert to fraction form
    53,981.76/74,491.44 = 30,109.98/x
  3. Step 3: Cross multiply
    53,981.76x = 74,491.44 × 30,109.98
  4. Step 4: Simplify right side
    53,981.76x = 2,242,935,768.57
  5. Step 5: Solve for x
    x = 2,242,935,768.57/53,981.76
  6. Step 6: Final answer
    x = 41,549.88

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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.