Home / 38,009.25-52,454.39-21,242.25

Finding the Fourth Proportional to 38,009.25, 52,454.39 and 21,242.25

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Solution

The fourth proportional to 38,009.25, 52,454.39 and 21,242.25 is: 29,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.25 : 52,454.39 = 21,242.25 : x
  2. Step 2: Convert to fraction form
    38,009.25/52,454.39 = 21,242.25/x
  3. Step 3: Cross multiply
    38,009.25x = 52,454.39 × 21,242.25
  4. Step 4: Simplify right side
    38,009.25x = 1,114,249,159.77
  5. Step 5: Solve for x
    x = 1,114,249,159.77/38,009.25
  6. Step 6: Final answer
    x = 29,315.21

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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.