Home / 56,955.06-85,349.52-40,306.05

Finding the Fourth Proportional to 56,955.06, 85,349.52 and 40,306.05

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Solution

The fourth proportional to 56,955.06, 85,349.52 and 40,306.05 is: 60,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955.06 : 85,349.52 = 40,306.05 : x
  2. Step 2: Convert to fraction form
    56,955.06/85,349.52 = 40,306.05/x
  3. Step 3: Cross multiply
    56,955.06x = 85,349.52 × 40,306.05
  4. Step 4: Simplify right side
    56,955.06x = 3,440,102,020.60
  5. Step 5: Solve for x
    x = 3,440,102,020.60/56,955.06
  6. Step 6: Final answer
    x = 60,400.29

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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.