Home / 53,490.63-73,821.22-29,619.53

Finding the Fourth Proportional to 53,490.63, 73,821.22 and 29,619.53

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Solution

The fourth proportional to 53,490.63, 73,821.22 and 29,619.53 is: 40,877.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,490.63 : 73,821.22 = 29,619.53 : x
  2. Step 2: Convert to fraction form
    53,490.63/73,821.22 = 29,619.53/x
  3. Step 3: Cross multiply
    53,490.63x = 73,821.22 × 29,619.53
  4. Step 4: Simplify right side
    53,490.63x = 2,186,549,471.32
  5. Step 5: Solve for x
    x = 2,186,549,471.32/53,490.63
  6. Step 6: Final answer
    x = 40,877.24

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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.