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Finding the Fourth Proportional to 37,581.36, 56,372.03 and 15,389.68

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Solution

The fourth proportional to 37,581.36, 56,372.03 and 15,389.68 is: 23,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,581.36 : 56,372.03 = 15,389.68 : x
  2. Step 2: Convert to fraction form
    37,581.36/56,372.03 = 15,389.68/x
  3. Step 3: Cross multiply
    37,581.36x = 56,372.03 × 15,389.68
  4. Step 4: Simplify right side
    37,581.36x = 867,547,502.65
  5. Step 5: Solve for x
    x = 867,547,502.65/37,581.36
  6. Step 6: Final answer
    x = 23,084.52

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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.