Home / 38,031.60-52,482.48-21,264.56

Finding the Fourth Proportional to 38,031.60, 52,482.48 and 21,264.56

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Solution

The fourth proportional to 38,031.60, 52,482.48 and 21,264.56 is: 29,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,031.60 : 52,482.48 = 21,264.56 : x
  2. Step 2: Convert to fraction form
    38,031.60/52,482.48 = 21,264.56/x
  3. Step 3: Cross multiply
    38,031.60x = 52,482.48 × 21,264.56
  4. Step 4: Simplify right side
    38,031.60x = 1,116,016,844.91
  5. Step 5: Solve for x
    x = 1,116,016,844.91/38,031.60
  6. Step 6: Final answer
    x = 29,344.46

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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.