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Finding the Fourth Proportional to 63,809.32, 88,055 and 35,514.40

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Solution

The fourth proportional to 63,809.32, 88,055 and 35,514.40 is: 49,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,809.32 : 88,055 = 35,514.40 : x
  2. Step 2: Convert to fraction form
    63,809.32/88,055 = 35,514.40/x
  3. Step 3: Cross multiply
    63,809.32x = 88,055 × 35,514.40
  4. Step 4: Simplify right side
    63,809.32x = 3,127,220,492
  5. Step 5: Solve for x
    x = 3,127,220,492/63,809.32
  6. Step 6: Final answer
    x = 49,008.84

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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.