Home / 38,077.84-52,547.72-21,310.80

Finding the Fourth Proportional to 38,077.84, 52,547.72 and 21,310.80

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Solution

The fourth proportional to 38,077.84, 52,547.72 and 21,310.80 is: 29,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,077.84 : 52,547.72 = 21,310.80 : x
  2. Step 2: Convert to fraction form
    38,077.84/52,547.72 = 21,310.80/x
  3. Step 3: Cross multiply
    38,077.84x = 52,547.72 × 21,310.80
  4. Step 4: Simplify right side
    38,077.84x = 1,119,833,951.38
  5. Step 5: Solve for x
    x = 1,119,833,951.38/38,077.84
  6. Step 6: Final answer
    x = 29,409.07

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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.