Home / 40,429.40-60,644.10-25,703.60

Finding the Fourth Proportional to 40,429.40, 60,644.10 and 25,703.60

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Solution

The fourth proportional to 40,429.40, 60,644.10 and 25,703.60 is: 38,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,429.40 : 60,644.10 = 25,703.60 : x
  2. Step 2: Convert to fraction form
    40,429.40/60,644.10 = 25,703.60/x
  3. Step 3: Cross multiply
    40,429.40x = 60,644.10 × 25,703.60
  4. Step 4: Simplify right side
    40,429.40x = 1,558,771,688.76
  5. Step 5: Solve for x
    x = 1,558,771,688.76/40,429.40
  6. Step 6: Final answer
    x = 38,555.40

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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.