Home / 39,761.40-54,871.98-22,765.71

Finding the Fourth Proportional to 39,761.40, 54,871.98 and 22,765.71

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Solution

The fourth proportional to 39,761.40, 54,871.98 and 22,765.71 is: 31,417.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.40 : 54,871.98 = 22,765.71 : x
  2. Step 2: Convert to fraction form
    39,761.40/54,871.98 = 22,765.71/x
  3. Step 3: Cross multiply
    39,761.40x = 54,871.98 × 22,765.71
  4. Step 4: Simplify right side
    39,761.40x = 1,249,199,583.81
  5. Step 5: Solve for x
    x = 1,249,199,583.81/39,761.40
  6. Step 6: Final answer
    x = 31,417.39

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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.