Home / 52,518.58-78,811.95-31,442.74

Finding the Fourth Proportional to 52,518.58, 78,811.95 and 31,442.74

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Solution

The fourth proportional to 52,518.58, 78,811.95 and 31,442.74 is: 47,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,518.58 : 78,811.95 = 31,442.74 : x
  2. Step 2: Convert to fraction form
    52,518.58/78,811.95 = 31,442.74/x
  3. Step 3: Cross multiply
    52,518.58x = 78,811.95 × 31,442.74
  4. Step 4: Simplify right side
    52,518.58x = 2,478,063,652.74
  5. Step 5: Solve for x
    x = 2,478,063,652.74/52,518.58
  6. Step 6: Final answer
    x = 47,184.51

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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.