Home / 38,043.04-52,501.20-21,274.72

Finding the Fourth Proportional to 38,043.04, 52,501.20 and 21,274.72

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Solution

The fourth proportional to 38,043.04, 52,501.20 and 21,274.72 is: 29,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,043.04 : 52,501.20 = 21,274.72 : x
  2. Step 2: Convert to fraction form
    38,043.04/52,501.20 = 21,274.72/x
  3. Step 3: Cross multiply
    38,043.04x = 52,501.20 × 21,274.72
  4. Step 4: Simplify right side
    38,043.04x = 1,116,948,329.66
  5. Step 5: Solve for x
    x = 1,116,948,329.66/38,043.04
  6. Step 6: Final answer
    x = 29,360.12

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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.