Home / 39,759.48-54,871.86-22,765.07

Finding the Fourth Proportional to 39,759.48, 54,871.86 and 22,765.07

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Solution

The fourth proportional to 39,759.48, 54,871.86 and 22,765.07 is: 31,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,759.48 : 54,871.86 = 22,765.07 : x
  2. Step 2: Convert to fraction form
    39,759.48/54,871.86 = 22,765.07/x
  3. Step 3: Cross multiply
    39,759.48x = 54,871.86 × 22,765.07
  4. Step 4: Simplify right side
    39,759.48x = 1,249,161,459.57
  5. Step 5: Solve for x
    x = 1,249,161,459.57/39,759.48
  6. Step 6: Final answer
    x = 31,417.95

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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.