Home / 38,293.15-52,840.50-21,294.65

Finding the Fourth Proportional to 38,293.15, 52,840.50 and 21,294.65

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Solution

The fourth proportional to 38,293.15, 52,840.50 and 21,294.65 is: 29,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,293.15 : 52,840.50 = 21,294.65 : x
  2. Step 2: Convert to fraction form
    38,293.15/52,840.50 = 21,294.65/x
  3. Step 3: Cross multiply
    38,293.15x = 52,840.50 × 21,294.65
  4. Step 4: Simplify right side
    38,293.15x = 1,125,219,768.23
  5. Step 5: Solve for x
    x = 1,125,219,768.23/38,293.15
  6. Step 6: Final answer
    x = 29,384.36

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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.