Home / 43,325.42-64,974.90-18,365

Finding the Fourth Proportional to 43,325.42, 64,974.90 and 18,365

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Solution

The fourth proportional to 43,325.42, 64,974.90 and 18,365 is: 27,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,325.42 : 64,974.90 = 18,365 : x
  2. Step 2: Convert to fraction form
    43,325.42/64,974.90 = 18,365/x
  3. Step 3: Cross multiply
    43,325.42x = 64,974.90 × 18,365
  4. Step 4: Simplify right side
    43,325.42x = 1,193,264,038.50
  5. Step 5: Solve for x
    x = 1,193,264,038.50/43,325.42
  6. Step 6: Final answer
    x = 27,541.89

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1.5x scale

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.