Home / 37,686.23-56,490-12,717.68

Finding the Fourth Proportional to 37,686.23, 56,490 and 12,717.68

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Solution

The fourth proportional to 37,686.23, 56,490 and 12,717.68 is: 19,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.23 : 56,490 = 12,717.68 : x
  2. Step 2: Convert to fraction form
    37,686.23/56,490 = 12,717.68/x
  3. Step 3: Cross multiply
    37,686.23x = 56,490 × 12,717.68
  4. Step 4: Simplify right side
    37,686.23x = 718,421,460.75
  5. Step 5: Solve for x
    x = 718,421,460.75/37,686.23
  6. Step 6: Final answer
    x = 19,063.24

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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.