Home / 52,279.41-78,371.58-18,985.17

Finding the Fourth Proportional to 52,279.41, 78,371.58 and 18,985.17

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Solution

The fourth proportional to 52,279.41, 78,371.58 and 18,985.17 is: 28,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,279.41 : 78,371.58 = 18,985.17 : x
  2. Step 2: Convert to fraction form
    52,279.41/78,371.58 = 18,985.17/x
  3. Step 3: Cross multiply
    52,279.41x = 78,371.58 × 18,985.17
  4. Step 4: Simplify right side
    52,279.41x = 1,487,897,769.47
  5. Step 5: Solve for x
    x = 1,487,897,769.47/52,279.41
  6. Step 6: Final answer
    x = 28,460.49

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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.