Home / 32,686.92-45,117.40-21,201.52

Finding the Fourth Proportional to 32,686.92, 45,117.40 and 21,201.52

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Solution

The fourth proportional to 32,686.92, 45,117.40 and 21,201.52 is: 29,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,686.92 : 45,117.40 = 21,201.52 : x
  2. Step 2: Convert to fraction form
    32,686.92/45,117.40 = 21,201.52/x
  3. Step 3: Cross multiply
    32,686.92x = 45,117.40 × 21,201.52
  4. Step 4: Simplify right side
    32,686.92x = 956,557,458.45
  5. Step 5: Solve for x
    x = 956,557,458.45/32,686.92
  6. Step 6: Final answer
    x = 29,264.23

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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.