Home / 42,983.40-64,475.16-23,271.24

Finding the Fourth Proportional to 42,983.40, 64,475.16 and 23,271.24

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Solution

The fourth proportional to 42,983.40, 64,475.16 and 23,271.24 is: 34,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,983.40 : 64,475.16 = 23,271.24 : x
  2. Step 2: Convert to fraction form
    42,983.40/64,475.16 = 23,271.24/x
  3. Step 3: Cross multiply
    42,983.40x = 64,475.16 × 23,271.24
  4. Step 4: Simplify right side
    42,983.40x = 1,500,416,922.40
  5. Step 5: Solve for x
    x = 1,500,416,922.40/42,983.40
  6. Step 6: Final answer
    x = 34,906.89

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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.