Home / 38,055.40-52,514.34-21,285.16

Finding the Fourth Proportional to 38,055.40, 52,514.34 and 21,285.16

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Solution

The fourth proportional to 38,055.40, 52,514.34 and 21,285.16 is: 29,372.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,055.40 : 52,514.34 = 21,285.16 : x
  2. Step 2: Convert to fraction form
    38,055.40/52,514.34 = 21,285.16/x
  3. Step 3: Cross multiply
    38,055.40x = 52,514.34 × 21,285.16
  4. Step 4: Simplify right side
    38,055.40x = 1,117,776,129.19
  5. Step 5: Solve for x
    x = 1,117,776,129.19/38,055.40
  6. Step 6: Final answer
    x = 29,372.34

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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.