Home / 52,095.86-78,143.18-12,653.01

Finding the Fourth Proportional to 52,095.86, 78,143.18 and 12,653.01

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Solution

The fourth proportional to 52,095.86, 78,143.18 and 12,653.01 is: 18,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,095.86 : 78,143.18 = 12,653.01 : x
  2. Step 2: Convert to fraction form
    52,095.86/78,143.18 = 12,653.01/x
  3. Step 3: Cross multiply
    52,095.86x = 78,143.18 × 12,653.01
  4. Step 4: Simplify right side
    52,095.86x = 988,746,445.88
  5. Step 5: Solve for x
    x = 988,746,445.88/52,095.86
  6. Step 6: Final answer
    x = 18,979.37

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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.