Home / 39,038.34-53,871.70-22,042.31

Finding the Fourth Proportional to 39,038.34, 53,871.70 and 22,042.31

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Solution

The fourth proportional to 39,038.34, 53,871.70 and 22,042.31 is: 30,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,038.34 : 53,871.70 = 22,042.31 : x
  2. Step 2: Convert to fraction form
    39,038.34/53,871.70 = 22,042.31/x
  3. Step 3: Cross multiply
    39,038.34x = 53,871.70 × 22,042.31
  4. Step 4: Simplify right side
    39,038.34x = 1,187,456,601.42
  5. Step 5: Solve for x
    x = 1,187,456,601.42/39,038.34
  6. Step 6: Final answer
    x = 30,417.70

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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.