Home / 66,415.58-99,569.08-30,899.04

Finding the Fourth Proportional to 66,415.58, 99,569.08 and 30,899.04

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Solution

The fourth proportional to 66,415.58, 99,569.08 and 30,899.04 is: 46,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,415.58 : 99,569.08 = 30,899.04 : x
  2. Step 2: Convert to fraction form
    66,415.58/99,569.08 = 30,899.04/x
  3. Step 3: Cross multiply
    66,415.58x = 99,569.08 × 30,899.04
  4. Step 4: Simplify right side
    66,415.58x = 3,076,588,985.68
  5. Step 5: Solve for x
    x = 3,076,588,985.68/66,415.58
  6. Step 6: Final answer
    x = 46,323.30

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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.