Home / 38,360.84-52,935.94-21,364.78

Finding the Fourth Proportional to 38,360.84, 52,935.94 and 21,364.78

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Solution

The fourth proportional to 38,360.84, 52,935.94 and 21,364.78 is: 29,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,360.84 : 52,935.94 = 21,364.78 : x
  2. Step 2: Convert to fraction form
    38,360.84/52,935.94 = 21,364.78/x
  3. Step 3: Cross multiply
    38,360.84x = 52,935.94 × 21,364.78
  4. Step 4: Simplify right side
    38,360.84x = 1,130,964,712.19
  5. Step 5: Solve for x
    x = 1,130,964,712.19/38,360.84
  6. Step 6: Final answer
    x = 29,482.27

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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.