Home / 38,719.27-58,088.91-12,424.24

Finding the Fourth Proportional to 38,719.27, 58,088.91 and 12,424.24

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Solution

The fourth proportional to 38,719.27, 58,088.91 and 12,424.24 is: 18,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.27 : 58,088.91 = 12,424.24 : x
  2. Step 2: Convert to fraction form
    38,719.27/58,088.91 = 12,424.24/x
  3. Step 3: Cross multiply
    38,719.27x = 58,088.91 × 12,424.24
  4. Step 4: Simplify right side
    38,719.27x = 721,710,559.18
  5. Step 5: Solve for x
    x = 721,710,559.18/38,719.27
  6. Step 6: Final answer
    x = 18,639.57

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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.