Home / 39,427.29-54,378.81-25,281.45

Finding the Fourth Proportional to 39,427.29, 54,378.81 and 25,281.45

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Solution

The fourth proportional to 39,427.29, 54,378.81 and 25,281.45 is: 34,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,427.29 : 54,378.81 = 25,281.45 : x
  2. Step 2: Convert to fraction form
    39,427.29/54,378.81 = 25,281.45/x
  3. Step 3: Cross multiply
    39,427.29x = 54,378.81 × 25,281.45
  4. Step 4: Simplify right side
    39,427.29x = 1,374,775,166.07
  5. Step 5: Solve for x
    x = 1,374,775,166.07/39,427.29
  6. Step 6: Final answer
    x = 34,868.62

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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.