Home / 35,122.98-48,456.15-21,670.90

Finding the Fourth Proportional to 35,122.98, 48,456.15 and 21,670.90

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Solution

The fourth proportional to 35,122.98, 48,456.15 and 21,670.90 is: 29,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,122.98 : 48,456.15 = 21,670.90 : x
  2. Step 2: Convert to fraction form
    35,122.98/48,456.15 = 21,670.90/x
  3. Step 3: Cross multiply
    35,122.98x = 48,456.15 × 21,670.90
  4. Step 4: Simplify right side
    35,122.98x = 1,050,088,381.04
  5. Step 5: Solve for x
    x = 1,050,088,381.04/35,122.98
  6. Step 6: Final answer
    x = 29,897.47

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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.