Home / 30,114.90-41,565.51-20,043.75

Finding the Fourth Proportional to 30,114.90, 41,565.51 and 20,043.75

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Solution

The fourth proportional to 30,114.90, 41,565.51 and 20,043.75 is: 27,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,114.90 : 41,565.51 = 20,043.75 : x
  2. Step 2: Convert to fraction form
    30,114.90/41,565.51 = 20,043.75/x
  3. Step 3: Cross multiply
    30,114.90x = 41,565.51 × 20,043.75
  4. Step 4: Simplify right side
    30,114.90x = 833,128,691.06
  5. Step 5: Solve for x
    x = 833,128,691.06/30,114.90
  6. Step 6: Final answer
    x = 27,665.00

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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.