Home / 38,376.01-52,960.72-21,381.40

Finding the Fourth Proportional to 38,376.01, 52,960.72 and 21,381.40

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Solution

The fourth proportional to 38,376.01, 52,960.72 and 21,381.40 is: 29,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,376.01 : 52,960.72 = 21,381.40 : x
  2. Step 2: Convert to fraction form
    38,376.01/52,960.72 = 21,381.40/x
  3. Step 3: Cross multiply
    38,376.01x = 52,960.72 × 21,381.40
  4. Step 4: Simplify right side
    38,376.01x = 1,132,374,020.35
  5. Step 5: Solve for x
    x = 1,132,374,020.35/38,376.01
  6. Step 6: Final answer
    x = 29,507.35

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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.