Home / 58,370.25-87,568.16-18,931.35

Finding the Fourth Proportional to 58,370.25, 87,568.16 and 18,931.35

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Solution

The fourth proportional to 58,370.25, 87,568.16 and 18,931.35 is: 28,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,370.25 : 87,568.16 = 18,931.35 : x
  2. Step 2: Convert to fraction form
    58,370.25/87,568.16 = 18,931.35/x
  3. Step 3: Cross multiply
    58,370.25x = 87,568.16 × 18,931.35
  4. Step 4: Simplify right side
    58,370.25x = 1,657,783,314.22
  5. Step 5: Solve for x
    x = 1,657,783,314.22/58,370.25
  6. Step 6: Final answer
    x = 28,401.17

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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.