Home / 48,152.45-66,450-26,931.70

Finding the Fourth Proportional to 48,152.45, 66,450 and 26,931.70

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Solution

The fourth proportional to 48,152.45, 66,450 and 26,931.70 is: 37,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,152.45 : 66,450 = 26,931.70 : x
  2. Step 2: Convert to fraction form
    48,152.45/66,450 = 26,931.70/x
  3. Step 3: Cross multiply
    48,152.45x = 66,450 × 26,931.70
  4. Step 4: Simplify right side
    48,152.45x = 1,789,611,465
  5. Step 5: Solve for x
    x = 1,789,611,465/48,152.45
  6. Step 6: Final answer
    x = 37,165.53

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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.