Home / 35,867.80-53,844.90-20,085.40

Finding the Fourth Proportional to 35,867.80, 53,844.90 and 20,085.40

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Solution

The fourth proportional to 35,867.80, 53,844.90 and 20,085.40 is: 30,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,867.80 : 53,844.90 = 20,085.40 : x
  2. Step 2: Convert to fraction form
    35,867.80/53,844.90 = 20,085.40/x
  3. Step 3: Cross multiply
    35,867.80x = 53,844.90 × 20,085.40
  4. Step 4: Simplify right side
    35,867.80x = 1,081,496,354.46
  5. Step 5: Solve for x
    x = 1,081,496,354.46/35,867.80
  6. Step 6: Final answer
    x = 30,152.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.