Home / 39,038.40-53,871.84-22,043.34

Finding the Fourth Proportional to 39,038.40, 53,871.84 and 22,043.34

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Solution

The fourth proportional to 39,038.40, 53,871.84 and 22,043.34 is: 30,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,038.40 : 53,871.84 = 22,043.34 : x
  2. Step 2: Convert to fraction form
    39,038.40/53,871.84 = 22,043.34/x
  3. Step 3: Cross multiply
    39,038.40x = 53,871.84 × 22,043.34
  4. Step 4: Simplify right side
    39,038.40x = 1,187,515,285.55
  5. Step 5: Solve for x
    x = 1,187,515,285.55/39,038.40
  6. Step 6: Final answer
    x = 30,419.16

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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.