Home / 36,403.61-54,585.84-21,415.91

Finding the Fourth Proportional to 36,403.61, 54,585.84 and 21,415.91

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Solution

The fourth proportional to 36,403.61, 54,585.84 and 21,415.91 is: 32,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403.61 : 54,585.84 = 21,415.91 : x
  2. Step 2: Convert to fraction form
    36,403.61/54,585.84 = 21,415.91/x
  3. Step 3: Cross multiply
    36,403.61x = 54,585.84 × 21,415.91
  4. Step 4: Simplify right side
    36,403.61x = 1,169,005,436.71
  5. Step 5: Solve for x
    x = 1,169,005,436.71/36,403.61
  6. Step 6: Final answer
    x = 32,112.35

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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.