Home / 42,718.08-64,108.44-34,496.40

Finding the Fourth Proportional to 42,718.08, 64,108.44 and 34,496.40

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Solution

The fourth proportional to 42,718.08, 64,108.44 and 34,496.40 is: 51,769.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,718.08 : 64,108.44 = 34,496.40 : x
  2. Step 2: Convert to fraction form
    42,718.08/64,108.44 = 34,496.40/x
  3. Step 3: Cross multiply
    42,718.08x = 64,108.44 × 34,496.40
  4. Step 4: Simplify right side
    42,718.08x = 2,211,510,389.62
  5. Step 5: Solve for x
    x = 2,211,510,389.62/42,718.08
  6. Step 6: Final answer
    x = 51,769.89

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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.