Home / 39,852.32-54,994.28-21,948.08

Finding the Fourth Proportional to 39,852.32, 54,994.28 and 21,948.08

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Solution

The fourth proportional to 39,852.32, 54,994.28 and 21,948.08 is: 30,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,852.32 : 54,994.28 = 21,948.08 : x
  2. Step 2: Convert to fraction form
    39,852.32/54,994.28 = 21,948.08/x
  3. Step 3: Cross multiply
    39,852.32x = 54,994.28 × 21,948.08
  4. Step 4: Simplify right side
    39,852.32x = 1,207,018,472.27
  5. Step 5: Solve for x
    x = 1,207,018,472.27/39,852.32
  6. Step 6: Final answer
    x = 30,287.29

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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.