Home / 35,632.36-53,432.74-18,989.29

Finding the Fourth Proportional to 35,632.36, 53,432.74 and 18,989.29

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Solution

The fourth proportional to 35,632.36, 53,432.74 and 18,989.29 is: 28,475.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,632.36 : 53,432.74 = 18,989.29 : x
  2. Step 2: Convert to fraction form
    35,632.36/53,432.74 = 18,989.29/x
  3. Step 3: Cross multiply
    35,632.36x = 53,432.74 × 18,989.29
  4. Step 4: Simplify right side
    35,632.36x = 1,014,649,795.35
  5. Step 5: Solve for x
    x = 1,014,649,795.35/35,632.36
  6. Step 6: Final answer
    x = 28,475.51

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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.