Home / 53,407.30-73,702.30-29,208.74

Finding the Fourth Proportional to 53,407.30, 73,702.30 and 29,208.74

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Solution

The fourth proportional to 53,407.30, 73,702.30 and 29,208.74 is: 40,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,407.30 : 73,702.30 = 29,208.74 : x
  2. Step 2: Convert to fraction form
    53,407.30/73,702.30 = 29,208.74/x
  3. Step 3: Cross multiply
    53,407.30x = 73,702.30 × 29,208.74
  4. Step 4: Simplify right side
    53,407.30x = 2,152,751,318.10
  5. Step 5: Solve for x
    x = 2,152,751,318.10/53,407.30
  6. Step 6: Final answer
    x = 40,308.18

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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.