Home / 38,957.04-53,786.18-29,987.91

Finding the Fourth Proportional to 38,957.04, 53,786.18 and 29,987.91

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Solution

The fourth proportional to 38,957.04, 53,786.18 and 29,987.91 is: 41,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,957.04 : 53,786.18 = 29,987.91 : x
  2. Step 2: Convert to fraction form
    38,957.04/53,786.18 = 29,987.91/x
  3. Step 3: Cross multiply
    38,957.04x = 53,786.18 × 29,987.91
  4. Step 4: Simplify right side
    38,957.04x = 1,612,934,975.14
  5. Step 5: Solve for x
    x = 1,612,934,975.14/38,957.04
  6. Step 6: Final answer
    x = 41,402.91

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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.