Home / 38,079.04-52,549.14-21,312.04

Finding the Fourth Proportional to 38,079.04, 52,549.14 and 21,312.04

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Solution

The fourth proportional to 38,079.04, 52,549.14 and 21,312.04 is: 29,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.04 : 52,549.14 = 21,312.04 : x
  2. Step 2: Convert to fraction form
    38,079.04/52,549.14 = 21,312.04/x
  3. Step 3: Cross multiply
    38,079.04x = 52,549.14 × 21,312.04
  4. Step 4: Simplify right side
    38,079.04x = 1,119,929,373.65
  5. Step 5: Solve for x
    x = 1,119,929,373.65/38,079.04
  6. Step 6: Final answer
    x = 29,410.65

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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.