Home / 48,143.50-66,432.18-26,630.37

Finding the Fourth Proportional to 48,143.50, 66,432.18 and 26,630.37

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Solution

The fourth proportional to 48,143.50, 66,432.18 and 26,630.37 is: 36,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,143.50 : 66,432.18 = 26,630.37 : x
  2. Step 2: Convert to fraction form
    48,143.50/66,432.18 = 26,630.37/x
  3. Step 3: Cross multiply
    48,143.50x = 66,432.18 × 26,630.37
  4. Step 4: Simplify right side
    48,143.50x = 1,769,113,408.48
  5. Step 5: Solve for x
    x = 1,769,113,408.48/48,143.50
  6. Step 6: Final answer
    x = 36,746.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.