Home / 52,678.95-78,899.14-40,748.86

Finding the Fourth Proportional to 52,678.95, 78,899.14 and 40,748.86

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Solution

The fourth proportional to 52,678.95, 78,899.14 and 40,748.86 is: 61,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,678.95 : 78,899.14 = 40,748.86 : x
  2. Step 2: Convert to fraction form
    52,678.95/78,899.14 = 40,748.86/x
  3. Step 3: Cross multiply
    52,678.95x = 78,899.14 × 40,748.86
  4. Step 4: Simplify right side
    52,678.95x = 3,215,050,009.98
  5. Step 5: Solve for x
    x = 3,215,050,009.98/52,678.95
  6. Step 6: Final answer
    x = 61,031.02

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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.