Home / 57,528,438.40-79,388,720.40-31,422,952

Finding the Fourth Proportional to 57,528,438.40, 79,388,720.40 and 31,422,952

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Solution

The fourth proportional to 57,528,438.40, 79,388,720.40 and 31,422,952 is: 43,363,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,528,438.40 : 79,388,720.40 = 31,422,952 : x
  2. Step 2: Convert to fraction form
    57,528,438.40/79,388,720.40 = 31,422,952/x
  3. Step 3: Cross multiply
    57,528,438.40x = 79,388,720.40 × 31,422,952
  4. Step 4: Simplify right side
    57,528,438.40x = 2,494,627,950,470,621
  5. Step 5: Solve for x
    x = 2,494,627,950,470,621/57,528,438.40
  6. Step 6: Final answer
    x = 43,363,387.22

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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.