Home / 35,946.56-53,927.13-12,589.40

Finding the Fourth Proportional to 35,946.56, 53,927.13 and 12,589.40

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Solution

The fourth proportional to 35,946.56, 53,927.13 and 12,589.40 is: 18,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,946.56 : 53,927.13 = 12,589.40 : x
  2. Step 2: Convert to fraction form
    35,946.56/53,927.13 = 12,589.40/x
  3. Step 3: Cross multiply
    35,946.56x = 53,927.13 × 12,589.40
  4. Step 4: Simplify right side
    35,946.56x = 678,910,210.42
  5. Step 5: Solve for x
    x = 678,910,210.42/35,946.56
  6. Step 6: Final answer
    x = 18,886.65

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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.