Home / 24,039.20-36,058.80-21,123.20

Finding the Fourth Proportional to 24,039.20, 36,058.80 and 21,123.20

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Solution

The fourth proportional to 24,039.20, 36,058.80 and 21,123.20 is: 31,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,039.20 : 36,058.80 = 21,123.20 : x
  2. Step 2: Convert to fraction form
    24,039.20/36,058.80 = 21,123.20/x
  3. Step 3: Cross multiply
    24,039.20x = 36,058.80 × 21,123.20
  4. Step 4: Simplify right side
    24,039.20x = 761,677,244.16
  5. Step 5: Solve for x
    x = 761,677,244.16/24,039.20
  6. Step 6: Final answer
    x = 31,684.80

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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.