Home / 38,247.13-52,779.84-21,019.45

Finding the Fourth Proportional to 38,247.13, 52,779.84 and 21,019.45

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Solution

The fourth proportional to 38,247.13, 52,779.84 and 21,019.45 is: 29,006.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.13 : 52,779.84 = 21,019.45 : x
  2. Step 2: Convert to fraction form
    38,247.13/52,779.84 = 21,019.45/x
  3. Step 3: Cross multiply
    38,247.13x = 52,779.84 × 21,019.45
  4. Step 4: Simplify right side
    38,247.13x = 1,109,403,207.89
  5. Step 5: Solve for x
    x = 1,109,403,207.89/38,247.13
  6. Step 6: Final answer
    x = 29,006.18

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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.