Home / 40,783.64-56,276.10-22,878.59

Finding the Fourth Proportional to 40,783.64, 56,276.10 and 22,878.59

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Solution

The fourth proportional to 40,783.64, 56,276.10 and 22,878.59 is: 31,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.64 : 56,276.10 = 22,878.59 : x
  2. Step 2: Convert to fraction form
    40,783.64/56,276.10 = 22,878.59/x
  3. Step 3: Cross multiply
    40,783.64x = 56,276.10 × 22,878.59
  4. Step 4: Simplify right side
    40,783.64x = 1,287,517,537.32
  5. Step 5: Solve for x
    x = 1,287,517,537.32/40,783.64
  6. Step 6: Final answer
    x = 31,569.46

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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.