Home / 40,323.36-60,432.48-20,585.28

Finding the Fourth Proportional to 40,323.36, 60,432.48 and 20,585.28

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Solution

The fourth proportional to 40,323.36, 60,432.48 and 20,585.28 is: 30,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,323.36 : 60,432.48 = 20,585.28 : x
  2. Step 2: Convert to fraction form
    40,323.36/60,432.48 = 20,585.28/x
  3. Step 3: Cross multiply
    40,323.36x = 60,432.48 × 20,585.28
  4. Step 4: Simplify right side
    40,323.36x = 1,244,019,521.89
  5. Step 5: Solve for x
    x = 1,244,019,521.89/40,323.36
  6. Step 6: Final answer
    x = 30,851.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.