Home / 38,312.86-52,870.41-21,083.62

Finding the Fourth Proportional to 38,312.86, 52,870.41 and 21,083.62

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Solution

The fourth proportional to 38,312.86, 52,870.41 and 21,083.62 is: 29,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,312.86 : 52,870.41 = 21,083.62 : x
  2. Step 2: Convert to fraction form
    38,312.86/52,870.41 = 21,083.62/x
  3. Step 3: Cross multiply
    38,312.86x = 52,870.41 × 21,083.62
  4. Step 4: Simplify right side
    38,312.86x = 1,114,699,369.33
  5. Step 5: Solve for x
    x = 1,114,699,369.33/38,312.86
  6. Step 6: Final answer
    x = 29,094.66

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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.