Home / 37,686.30-56,530.62-18,956.10

Finding the Fourth Proportional to 37,686.30, 56,530.62 and 18,956.10

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Solution

The fourth proportional to 37,686.30, 56,530.62 and 18,956.10 is: 28,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,686.30 : 56,530.62 = 18,956.10 : x
  2. Step 2: Convert to fraction form
    37,686.30/56,530.62 = 18,956.10/x
  3. Step 3: Cross multiply
    37,686.30x = 56,530.62 × 18,956.10
  4. Step 4: Simplify right side
    37,686.30x = 1,071,600,085.78
  5. Step 5: Solve for x
    x = 1,071,600,085.78/37,686.30
  6. Step 6: Final answer
    x = 28,434.74

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1.5x scale

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.