Home / 29,078.69-40,130.63-19,534.52

Finding the Fourth Proportional to 29,078.69, 40,130.63 and 19,534.52

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Solution

The fourth proportional to 29,078.69, 40,130.63 and 19,534.52 is: 26,959.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078.69 : 40,130.63 = 19,534.52 : x
  2. Step 2: Convert to fraction form
    29,078.69/40,130.63 = 19,534.52/x
  3. Step 3: Cross multiply
    29,078.69x = 40,130.63 × 19,534.52
  4. Step 4: Simplify right side
    29,078.69x = 783,932,296.02
  5. Step 5: Solve for x
    x = 783,932,296.02/29,078.69
  6. Step 6: Final answer
    x = 26,959.00

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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.