Home / 52,166.74-78,237.34-28,448.72

Finding the Fourth Proportional to 52,166.74, 78,237.34 and 28,448.72

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Solution

The fourth proportional to 52,166.74, 78,237.34 and 28,448.72 is: 42,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,166.74 : 78,237.34 = 28,448.72 : x
  2. Step 2: Convert to fraction form
    52,166.74/78,237.34 = 28,448.72/x
  3. Step 3: Cross multiply
    52,166.74x = 78,237.34 × 28,448.72
  4. Step 4: Simplify right side
    52,166.74x = 2,225,752,179.20
  5. Step 5: Solve for x
    x = 2,225,752,179.20/52,166.74
  6. Step 6: Final answer
    x = 42,666.12

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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.