Home / 42,056.44-58,041.96-31,427.60

Finding the Fourth Proportional to 42,056.44, 58,041.96 and 31,427.60

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Solution

The fourth proportional to 42,056.44, 58,041.96 and 31,427.60 is: 43,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,056.44 : 58,041.96 = 31,427.60 : x
  2. Step 2: Convert to fraction form
    42,056.44/58,041.96 = 31,427.60/x
  3. Step 3: Cross multiply
    42,056.44x = 58,041.96 × 31,427.60
  4. Step 4: Simplify right side
    42,056.44x = 1,824,119,502.10
  5. Step 5: Solve for x
    x = 1,824,119,502.10/42,056.44
  6. Step 6: Final answer
    x = 43,373.13

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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.