Home / 42,936.36-64,423.08-23,228.79

Finding the Fourth Proportional to 42,936.36, 64,423.08 and 23,228.79

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Solution

The fourth proportional to 42,936.36, 64,423.08 and 23,228.79 is: 34,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,936.36 : 64,423.08 = 23,228.79 : x
  2. Step 2: Convert to fraction form
    42,936.36/64,423.08 = 23,228.79/x
  3. Step 3: Cross multiply
    42,936.36x = 64,423.08 × 23,228.79
  4. Step 4: Simplify right side
    42,936.36x = 1,496,470,196.47
  5. Step 5: Solve for x
    x = 1,496,470,196.47/42,936.36
  6. Step 6: Final answer
    x = 34,853.22

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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.