Home / 53,738.12-74,152.70-31,073.67

Finding the Fourth Proportional to 53,738.12, 74,152.70 and 31,073.67

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Solution

The fourth proportional to 53,738.12, 74,152.70 and 31,073.67 is: 42,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.12 : 74,152.70 = 31,073.67 : x
  2. Step 2: Convert to fraction form
    53,738.12/74,152.70 = 31,073.67/x
  3. Step 3: Cross multiply
    53,738.12x = 74,152.70 × 31,073.67
  4. Step 4: Simplify right side
    53,738.12x = 2,304,196,374.04
  5. Step 5: Solve for x
    x = 2,304,196,374.04/53,738.12
  6. Step 6: Final answer
    x = 42,878.25

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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.