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Finding the Fourth Proportional to 46,798.54, 64,540.04 and 30,899.04

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Solution

The fourth proportional to 46,798.54, 64,540.04 and 30,899.04 is: 42,612.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,798.54 : 64,540.04 = 30,899.04 : x
  2. Step 2: Convert to fraction form
    46,798.54/64,540.04 = 30,899.04/x
  3. Step 3: Cross multiply
    46,798.54x = 64,540.04 × 30,899.04
  4. Step 4: Simplify right side
    46,798.54x = 1,994,225,277.56
  5. Step 5: Solve for x
    x = 1,994,225,277.56/46,798.54
  6. Step 6: Final answer
    x = 42,612.98

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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.