Home / 39,479,936.80-59,219,905.20-30,510,925.60

Finding the Fourth Proportional to 39,479,936.80, 59,219,905.20 and 30,510,925.60

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Solution

The fourth proportional to 39,479,936.80, 59,219,905.20 and 30,510,925.60 is: 45,766,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479,936.80 : 59,219,905.20 = 30,510,925.60 : x
  2. Step 2: Convert to fraction form
    39,479,936.80/59,219,905.20 = 30,510,925.60/x
  3. Step 3: Cross multiply
    39,479,936.80x = 59,219,905.20 × 30,510,925.60
  4. Step 4: Simplify right side
    39,479,936.80x = 1,806,854,121,596,253.25
  5. Step 5: Solve for x
    x = 1,806,854,121,596,253.25/39,479,936.80
  6. Step 6: Final answer
    x = 45,766,388.40

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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.