Home / 36,230.10-54,345.15-31,218.90

Finding the Fourth Proportional to 36,230.10, 54,345.15 and 31,218.90

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Solution

The fourth proportional to 36,230.10, 54,345.15 and 31,218.90 is: 46,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,230.10 : 54,345.15 = 31,218.90 : x
  2. Step 2: Convert to fraction form
    36,230.10/54,345.15 = 31,218.90/x
  3. Step 3: Cross multiply
    36,230.10x = 54,345.15 × 31,218.90
  4. Step 4: Simplify right side
    36,230.10x = 1,696,595,803.34
  5. Step 5: Solve for x
    x = 1,696,595,803.34/36,230.10
  6. Step 6: Final answer
    x = 46,828.35

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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.