Home / 42,905.07-64,368.80-16,251.23

Finding the Fourth Proportional to 42,905.07, 64,368.80 and 16,251.23

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Solution

The fourth proportional to 42,905.07, 64,368.80 and 16,251.23 is: 24,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,905.07 : 64,368.80 = 16,251.23 : x
  2. Step 2: Convert to fraction form
    42,905.07/64,368.80 = 16,251.23/x
  3. Step 3: Cross multiply
    42,905.07x = 64,368.80 × 16,251.23
  4. Step 4: Simplify right side
    42,905.07x = 1,046,072,173.62
  5. Step 5: Solve for x
    x = 1,046,072,173.62/42,905.07
  6. Step 6: Final answer
    x = 24,381.09

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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.