Home / 42,972.23-64,458.71-16,311.06

Finding the Fourth Proportional to 42,972.23, 64,458.71 and 16,311.06

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Solution

The fourth proportional to 42,972.23, 64,458.71 and 16,311.06 is: 24,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,972.23 : 64,458.71 = 16,311.06 : x
  2. Step 2: Convert to fraction form
    42,972.23/64,458.71 = 16,311.06/x
  3. Step 3: Cross multiply
    42,972.23x = 64,458.71 × 16,311.06
  4. Step 4: Simplify right side
    42,972.23x = 1,051,390,093.11
  5. Step 5: Solve for x
    x = 1,051,390,093.11/42,972.23
  6. Step 6: Final answer
    x = 24,466.73

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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.