Home / 56,974.08-85,444.65-21,905.40

Finding the Fourth Proportional to 56,974.08, 85,444.65 and 21,905.40

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Solution

The fourth proportional to 56,974.08, 85,444.65 and 21,905.40 is: 32,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,974.08 : 85,444.65 = 21,905.40 : x
  2. Step 2: Convert to fraction form
    56,974.08/85,444.65 = 21,905.40/x
  3. Step 3: Cross multiply
    56,974.08x = 85,444.65 × 21,905.40
  4. Step 4: Simplify right side
    56,974.08x = 1,871,699,236.11
  5. Step 5: Solve for x
    x = 1,871,699,236.11/56,974.08
  6. Step 6: Final answer
    x = 32,851.77

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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.