Home / 30,485.02-42,066.93-17,055.22

Finding the Fourth Proportional to 30,485.02, 42,066.93 and 17,055.22

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Solution

The fourth proportional to 30,485.02, 42,066.93 and 17,055.22 is: 23,534.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485.02 : 42,066.93 = 17,055.22 : x
  2. Step 2: Convert to fraction form
    30,485.02/42,066.93 = 17,055.22/x
  3. Step 3: Cross multiply
    30,485.02x = 42,066.93 × 17,055.22
  4. Step 4: Simplify right side
    30,485.02x = 717,460,745.87
  5. Step 5: Solve for x
    x = 717,460,745.87/30,485.02
  6. Step 6: Final answer
    x = 23,534.86

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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.