Home / 32,218.81-48,303.92-21,128.29

Finding the Fourth Proportional to 32,218.81, 48,303.92 and 21,128.29

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Solution

The fourth proportional to 32,218.81, 48,303.92 and 21,128.29 is: 31,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,218.81 : 48,303.92 = 21,128.29 : x
  2. Step 2: Convert to fraction form
    32,218.81/48,303.92 = 21,128.29/x
  3. Step 3: Cross multiply
    32,218.81x = 48,303.92 × 21,128.29
  4. Step 4: Simplify right side
    32,218.81x = 1,020,579,124.26
  5. Step 5: Solve for x
    x = 1,020,579,124.26/32,218.81
  6. Step 6: Final answer
    x = 31,676.50

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1.5x scale

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.