Home / 42,497.64-63,752.36-18,803.32

Finding the Fourth Proportional to 42,497.64, 63,752.36 and 18,803.32

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Solution

The fourth proportional to 42,497.64, 63,752.36 and 18,803.32 is: 28,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497.64 : 63,752.36 = 18,803.32 : x
  2. Step 2: Convert to fraction form
    42,497.64/63,752.36 = 18,803.32/x
  3. Step 3: Cross multiply
    42,497.64x = 63,752.36 × 18,803.32
  4. Step 4: Simplify right side
    42,497.64x = 1,198,756,025.84
  5. Step 5: Solve for x
    x = 1,198,756,025.84/42,497.64
  6. Step 6: Final answer
    x = 28,207.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.