Home / 38,303.72-52,852.70-21,305.72

Finding the Fourth Proportional to 38,303.72, 52,852.70 and 21,305.72

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Solution

The fourth proportional to 38,303.72, 52,852.70 and 21,305.72 is: 29,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,303.72 : 52,852.70 = 21,305.72 : x
  2. Step 2: Convert to fraction form
    38,303.72/52,852.70 = 21,305.72/x
  3. Step 3: Cross multiply
    38,303.72x = 52,852.70 × 21,305.72
  4. Step 4: Simplify right side
    38,303.72x = 1,126,064,456.65
  5. Step 5: Solve for x
    x = 1,126,064,456.65/38,303.72
  6. Step 6: Final answer
    x = 29,398.31

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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.