Home / 40,875.60-61,313.40-14,581.20

Finding the Fourth Proportional to 40,875.60, 61,313.40 and 14,581.20

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Solution

The fourth proportional to 40,875.60, 61,313.40 and 14,581.20 is: 21,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,875.60 : 61,313.40 = 14,581.20 : x
  2. Step 2: Convert to fraction form
    40,875.60/61,313.40 = 14,581.20/x
  3. Step 3: Cross multiply
    40,875.60x = 61,313.40 × 14,581.20
  4. Step 4: Simplify right side
    40,875.60x = 894,022,948.08
  5. Step 5: Solve for x
    x = 894,022,948.08/40,875.60
  6. Step 6: Final answer
    x = 21,871.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.