Home / 38,402.70-52,995.56-21,406.74

Finding the Fourth Proportional to 38,402.70, 52,995.56 and 21,406.74

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Solution

The fourth proportional to 38,402.70, 52,995.56 and 21,406.74 is: 29,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.70 : 52,995.56 = 21,406.74 : x
  2. Step 2: Convert to fraction form
    38,402.70/52,995.56 = 21,406.74/x
  3. Step 3: Cross multiply
    38,402.70x = 52,995.56 × 21,406.74
  4. Step 4: Simplify right side
    38,402.70x = 1,134,462,174.07
  5. Step 5: Solve for x
    x = 1,134,462,174.07/38,402.70
  6. Step 6: Final answer
    x = 29,541.21

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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.