Home / 42,268.47-63,430.39-15,973.22

Finding the Fourth Proportional to 42,268.47, 63,430.39 and 15,973.22

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Solution

The fourth proportional to 42,268.47, 63,430.39 and 15,973.22 is: 23,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,268.47 : 63,430.39 = 15,973.22 : x
  2. Step 2: Convert to fraction form
    42,268.47/63,430.39 = 15,973.22/x
  3. Step 3: Cross multiply
    42,268.47x = 63,430.39 × 15,973.22
  4. Step 4: Simplify right side
    42,268.47x = 1,013,187,303.73
  5. Step 5: Solve for x
    x = 1,013,187,303.73/42,268.47
  6. Step 6: Final answer
    x = 23,970.28

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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.