Home / 52,187.47-72,018.86-28,314.34

Finding the Fourth Proportional to 52,187.47, 72,018.86 and 28,314.34

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Solution

The fourth proportional to 52,187.47, 72,018.86 and 28,314.34 is: 39,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,187.47 : 72,018.86 = 28,314.34 : x
  2. Step 2: Convert to fraction form
    52,187.47/72,018.86 = 28,314.34/x
  3. Step 3: Cross multiply
    52,187.47x = 72,018.86 × 28,314.34
  4. Step 4: Simplify right side
    52,187.47x = 2,039,166,488.45
  5. Step 5: Solve for x
    x = 2,039,166,488.45/52,187.47
  6. Step 6: Final answer
    x = 39,073.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.