Home / 36,726.40-50,678.08-21,615.72

Finding the Fourth Proportional to 36,726.40, 50,678.08 and 21,615.72

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Solution

The fourth proportional to 36,726.40, 50,678.08 and 21,615.72 is: 29,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,726.40 : 50,678.08 = 21,615.72 : x
  2. Step 2: Convert to fraction form
    36,726.40/50,678.08 = 21,615.72/x
  3. Step 3: Cross multiply
    36,726.40x = 50,678.08 × 21,615.72
  4. Step 4: Simplify right side
    36,726.40x = 1,095,443,187.42
  5. Step 5: Solve for x
    x = 1,095,443,187.42/36,726.40
  6. Step 6: Final answer
    x = 29,827.13

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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.