Home / 29,655.72-40,969.34-19,470.91

Finding the Fourth Proportional to 29,655.72, 40,969.34 and 19,470.91

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Solution

The fourth proportional to 29,655.72, 40,969.34 and 19,470.91 is: 26,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,655.72 : 40,969.34 = 19,470.91 : x
  2. Step 2: Convert to fraction form
    29,655.72/40,969.34 = 19,470.91/x
  3. Step 3: Cross multiply
    29,655.72x = 40,969.34 × 19,470.91
  4. Step 4: Simplify right side
    29,655.72x = 797,710,276.25
  5. Step 5: Solve for x
    x = 797,710,276.25/29,655.72
  6. Step 6: Final answer
    x = 26,899.04

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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.