Home / 37,787.04-52,148.16-21,020.40

Finding the Fourth Proportional to 37,787.04, 52,148.16 and 21,020.40

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Solution

The fourth proportional to 37,787.04, 52,148.16 and 21,020.40 is: 29,009.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,787.04 : 52,148.16 = 21,020.40 : x
  2. Step 2: Convert to fraction form
    37,787.04/52,148.16 = 21,020.40/x
  3. Step 3: Cross multiply
    37,787.04x = 52,148.16 × 21,020.40
  4. Step 4: Simplify right side
    37,787.04x = 1,096,175,182.46
  5. Step 5: Solve for x
    x = 1,096,175,182.46/37,787.04
  6. Step 6: Final answer
    x = 29,009.29

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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.