Home / 30,581.03-42,201.65-16,968.93

Finding the Fourth Proportional to 30,581.03, 42,201.65 and 16,968.93

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Solution

The fourth proportional to 30,581.03, 42,201.65 and 16,968.93 is: 23,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.03 : 42,201.65 = 16,968.93 : x
  2. Step 2: Convert to fraction form
    30,581.03/42,201.65 = 16,968.93/x
  3. Step 3: Cross multiply
    30,581.03x = 42,201.65 × 16,968.93
  4. Step 4: Simplify right side
    30,581.03x = 716,116,887.16
  5. Step 5: Solve for x
    x = 716,116,887.16/30,581.03
  6. Step 6: Final answer
    x = 23,417.03

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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.