Home / 45,975.30-63,439.40-25,831.20

Finding the Fourth Proportional to 45,975.30, 63,439.40 and 25,831.20

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Solution

The fourth proportional to 45,975.30, 63,439.40 and 25,831.20 is: 35,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,975.30 : 63,439.40 = 25,831.20 : x
  2. Step 2: Convert to fraction form
    45,975.30/63,439.40 = 25,831.20/x
  3. Step 3: Cross multiply
    45,975.30x = 63,439.40 × 25,831.20
  4. Step 4: Simplify right side
    45,975.30x = 1,638,716,131.76
  5. Step 5: Solve for x
    x = 1,638,716,131.76/45,975.30
  6. Step 6: Final answer
    x = 35,643.41

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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.