Home / 63,424.32-87,515.04-40,768.32

Finding the Fourth Proportional to 63,424.32, 87,515.04 and 40,768.32

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Solution

The fourth proportional to 63,424.32, 87,515.04 and 40,768.32 is: 56,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,424.32 : 87,515.04 = 40,768.32 : x
  2. Step 2: Convert to fraction form
    63,424.32/87,515.04 = 40,768.32/x
  3. Step 3: Cross multiply
    63,424.32x = 87,515.04 × 40,768.32
  4. Step 4: Simplify right side
    63,424.32x = 3,567,841,155.53
  5. Step 5: Solve for x
    x = 3,567,841,155.53/63,424.32
  6. Step 6: Final answer
    x = 56,253.52

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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.