Home / 31,410.18-43,353.36-17,989.02

Finding the Fourth Proportional to 31,410.18, 43,353.36 and 17,989.02

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Solution

The fourth proportional to 31,410.18, 43,353.36 and 17,989.02 is: 24,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410.18 : 43,353.36 = 17,989.02 : x
  2. Step 2: Convert to fraction form
    31,410.18/43,353.36 = 17,989.02/x
  3. Step 3: Cross multiply
    31,410.18x = 43,353.36 × 17,989.02
  4. Step 4: Simplify right side
    31,410.18x = 779,884,460.11
  5. Step 5: Solve for x
    x = 779,884,460.11/31,410.18
  6. Step 6: Final answer
    x = 24,829.04

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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.