Home / 40,689.49-56,153.10-22,784.34

Finding the Fourth Proportional to 40,689.49, 56,153.10 and 22,784.34

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Solution

The fourth proportional to 40,689.49, 56,153.10 and 22,784.34 is: 31,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,689.49 : 56,153.10 = 22,784.34 : x
  2. Step 2: Convert to fraction form
    40,689.49/56,153.10 = 22,784.34/x
  3. Step 3: Cross multiply
    40,689.49x = 56,153.10 × 22,784.34
  4. Step 4: Simplify right side
    40,689.49x = 1,279,411,322.45
  5. Step 5: Solve for x
    x = 1,279,411,322.45/40,689.49
  6. Step 6: Final answer
    x = 31,443.29

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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.