Home / 38,276.98-52,822.35-21,282.32

Finding the Fourth Proportional to 38,276.98, 52,822.35 and 21,282.32

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Solution

The fourth proportional to 38,276.98, 52,822.35 and 21,282.32 is: 29,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.98 : 52,822.35 = 21,282.32 : x
  2. Step 2: Convert to fraction form
    38,276.98/52,822.35 = 21,282.32/x
  3. Step 3: Cross multiply
    38,276.98x = 52,822.35 × 21,282.32
  4. Step 4: Simplify right side
    38,276.98x = 1,124,182,199.20
  5. Step 5: Solve for x
    x = 1,124,182,199.20/38,276.98
  6. Step 6: Final answer
    x = 29,369.67

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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.