Home / 45,342.02-62,581.24-31,041.39

Finding the Fourth Proportional to 45,342.02, 62,581.24 and 31,041.39

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Solution

The fourth proportional to 45,342.02, 62,581.24 and 31,041.39 is: 42,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,342.02 : 62,581.24 = 31,041.39 : x
  2. Step 2: Convert to fraction form
    45,342.02/62,581.24 = 31,041.39/x
  3. Step 3: Cross multiply
    45,342.02x = 62,581.24 × 31,041.39
  4. Step 4: Simplify right side
    45,342.02x = 1,942,608,776.40
  5. Step 5: Solve for x
    x = 1,942,608,776.40/45,342.02
  6. Step 6: Final answer
    x = 42,843.46

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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.