Home / 53,052.16-79,508.48-21,870.08

Finding the Fourth Proportional to 53,052.16, 79,508.48 and 21,870.08

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Solution

The fourth proportional to 53,052.16, 79,508.48 and 21,870.08 is: 32,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,052.16 : 79,508.48 = 21,870.08 : x
  2. Step 2: Convert to fraction form
    53,052.16/79,508.48 = 21,870.08/x
  3. Step 3: Cross multiply
    53,052.16x = 79,508.48 × 21,870.08
  4. Step 4: Simplify right side
    53,052.16x = 1,738,856,818.28
  5. Step 5: Solve for x
    x = 1,738,856,818.28/53,052.16
  6. Step 6: Final answer
    x = 32,776.36

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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.