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Finding the Fourth Proportional to 63,364.32, 87,438.96 and 35,068.32

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Solution

The fourth proportional to 63,364.32, 87,438.96 and 35,068.32 is: 48,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,364.32 : 87,438.96 = 35,068.32 : x
  2. Step 2: Convert to fraction form
    63,364.32/87,438.96 = 35,068.32/x
  3. Step 3: Cross multiply
    63,364.32x = 87,438.96 × 35,068.32
  4. Step 4: Simplify right side
    63,364.32x = 3,066,337,429.75
  5. Step 5: Solve for x
    x = 3,066,337,429.75/63,364.32
  6. Step 6: Final answer
    x = 48,392.18

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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.