Home / 35,421.11-48,875.94-20,314.41

Finding the Fourth Proportional to 35,421.11, 48,875.94 and 20,314.41

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Solution

The fourth proportional to 35,421.11, 48,875.94 and 20,314.41 is: 28,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.11 : 48,875.94 = 20,314.41 : x
  2. Step 2: Convert to fraction form
    35,421.11/48,875.94 = 20,314.41/x
  3. Step 3: Cross multiply
    35,421.11x = 48,875.94 × 20,314.41
  4. Step 4: Simplify right side
    35,421.11x = 992,885,701.01
  5. Step 5: Solve for x
    x = 992,885,701.01/35,421.11
  6. Step 6: Final answer
    x = 28,030.90

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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.