Home / 43,157.40-64,746.90-34,306.20

Finding the Fourth Proportional to 43,157.40, 64,746.90 and 34,306.20

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Solution

The fourth proportional to 43,157.40, 64,746.90 and 34,306.20 is: 51,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157.40 : 64,746.90 = 34,306.20 : x
  2. Step 2: Convert to fraction form
    43,157.40/64,746.90 = 34,306.20/x
  3. Step 3: Cross multiply
    43,157.40x = 64,746.90 × 34,306.20
  4. Step 4: Simplify right side
    43,157.40x = 2,221,220,100.78
  5. Step 5: Solve for x
    x = 2,221,220,100.78/43,157.40
  6. Step 6: Final answer
    x = 51,467.89

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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.