Home / 53,981.76-74,494.96-30,109.98

Finding the Fourth Proportional to 53,981.76, 74,494.96 and 30,109.98

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Solution

The fourth proportional to 53,981.76, 74,494.96 and 30,109.98 is: 41,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.76 : 74,494.96 = 30,109.98 : x
  2. Step 2: Convert to fraction form
    53,981.76/74,494.96 = 30,109.98/x
  3. Step 3: Cross multiply
    53,981.76x = 74,494.96 × 30,109.98
  4. Step 4: Simplify right side
    53,981.76x = 2,243,041,755.70
  5. Step 5: Solve for x
    x = 2,243,041,755.70/53,981.76
  6. Step 6: Final answer
    x = 41,551.85

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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.