Home / 52,935.36-79,434.18-19,678.80

Finding the Fourth Proportional to 52,935.36, 79,434.18 and 19,678.80

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Solution

The fourth proportional to 52,935.36, 79,434.18 and 19,678.80 is: 29,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,935.36 : 79,434.18 = 19,678.80 : x
  2. Step 2: Convert to fraction form
    52,935.36/79,434.18 = 19,678.80/x
  3. Step 3: Cross multiply
    52,935.36x = 79,434.18 × 19,678.80
  4. Step 4: Simplify right side
    52,935.36x = 1,563,169,341.38
  5. Step 5: Solve for x
    x = 1,563,169,341.38/52,935.36
  6. Step 6: Final answer
    x = 29,529.78

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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.