Home / 45,378.81-62,621.90-25,235.51

Finding the Fourth Proportional to 45,378.81, 62,621.90 and 25,235.51

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Solution

The fourth proportional to 45,378.81, 62,621.90 and 25,235.51 is: 34,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,378.81 : 62,621.90 = 25,235.51 : x
  2. Step 2: Convert to fraction form
    45,378.81/62,621.90 = 25,235.51/x
  3. Step 3: Cross multiply
    45,378.81x = 62,621.90 × 25,235.51
  4. Step 4: Simplify right side
    45,378.81x = 1,580,295,643.84
  5. Step 5: Solve for x
    x = 1,580,295,643.84/45,378.81
  6. Step 6: Final answer
    x = 34,824.53

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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.