Home / 40,782.37-56,253.78-29,468.47

Finding the Fourth Proportional to 40,782.37, 56,253.78 and 29,468.47

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Solution

The fourth proportional to 40,782.37, 56,253.78 and 29,468.47 is: 40,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.37 : 56,253.78 = 29,468.47 : x
  2. Step 2: Convert to fraction form
    40,782.37/56,253.78 = 29,468.47/x
  3. Step 3: Cross multiply
    40,782.37x = 56,253.78 × 29,468.47
  4. Step 4: Simplify right side
    40,782.37x = 1,657,712,828.32
  5. Step 5: Solve for x
    x = 1,657,712,828.32/40,782.37
  6. Step 6: Final answer
    x = 40,647.78

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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.