Home / 38,006.86-52,449.12-21,011.55

Finding the Fourth Proportional to 38,006.86, 52,449.12 and 21,011.55

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Solution

The fourth proportional to 38,006.86, 52,449.12 and 21,011.55 is: 28,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,006.86 : 52,449.12 = 21,011.55 : x
  2. Step 2: Convert to fraction form
    38,006.86/52,449.12 = 21,011.55/x
  3. Step 3: Cross multiply
    38,006.86x = 52,449.12 × 21,011.55
  4. Step 4: Simplify right side
    38,006.86x = 1,102,037,307.34
  5. Step 5: Solve for x
    x = 1,102,037,307.34/38,006.86
  6. Step 6: Final answer
    x = 28,995.75

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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.