Home / 39,931.88-55,109.70-22,938.48

Finding the Fourth Proportional to 39,931.88, 55,109.70 and 22,938.48

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Solution

The fourth proportional to 39,931.88, 55,109.70 and 22,938.48 is: 31,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.88 : 55,109.70 = 22,938.48 : x
  2. Step 2: Convert to fraction form
    39,931.88/55,109.70 = 22,938.48/x
  3. Step 3: Cross multiply
    39,931.88x = 55,109.70 × 22,938.48
  4. Step 4: Simplify right side
    39,931.88x = 1,264,132,751.26
  5. Step 5: Solve for x
    x = 1,264,132,751.26/39,931.88
  6. Step 6: Final answer
    x = 31,657.24

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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.