Home / 39,362.24-54,394.08-31,044.80

Finding the Fourth Proportional to 39,362.24, 54,394.08 and 31,044.80

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Solution

The fourth proportional to 39,362.24, 54,394.08 and 31,044.80 is: 42,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,362.24 : 54,394.08 = 31,044.80 : x
  2. Step 2: Convert to fraction form
    39,362.24/54,394.08 = 31,044.80/x
  3. Step 3: Cross multiply
    39,362.24x = 54,394.08 × 31,044.80
  4. Step 4: Simplify right side
    39,362.24x = 1,688,653,334.78
  5. Step 5: Solve for x
    x = 1,688,653,334.78/39,362.24
  6. Step 6: Final answer
    x = 42,900.34

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1.5x scale

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.