Home / 40,802.30-56,327.12-31,706.22

Finding the Fourth Proportional to 40,802.30, 56,327.12 and 31,706.22

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Solution

The fourth proportional to 40,802.30, 56,327.12 and 31,706.22 is: 43,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,802.30 : 56,327.12 = 31,706.22 : x
  2. Step 2: Convert to fraction form
    40,802.30/56,327.12 = 31,706.22/x
  3. Step 3: Cross multiply
    40,802.30x = 56,327.12 × 31,706.22
  4. Step 4: Simplify right side
    40,802.30x = 1,785,920,058.69
  5. Step 5: Solve for x
    x = 1,785,920,058.69/40,802.30
  6. Step 6: Final answer
    x = 43,770.08

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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.