Home / 53,267.67-79,901.51-18,207.63

Finding the Fourth Proportional to 53,267.67, 79,901.51 and 18,207.63

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Solution

The fourth proportional to 53,267.67, 79,901.51 and 18,207.63 is: 27,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,267.67 : 79,901.51 = 18,207.63 : x
  2. Step 2: Convert to fraction form
    53,267.67/79,901.51 = 18,207.63/x
  3. Step 3: Cross multiply
    53,267.67x = 79,901.51 × 18,207.63
  4. Step 4: Simplify right side
    53,267.67x = 1,454,817,039.48
  5. Step 5: Solve for x
    x = 1,454,817,039.48/53,267.67
  6. Step 6: Final answer
    x = 27,311.45

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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.