Home / 62,148.11-85,728.31-39,168.93

Finding the Fourth Proportional to 62,148.11, 85,728.31 and 39,168.93

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Solution

The fourth proportional to 62,148.11, 85,728.31 and 39,168.93 is: 54,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,148.11 : 85,728.31 = 39,168.93 : x
  2. Step 2: Convert to fraction form
    62,148.11/85,728.31 = 39,168.93/x
  3. Step 3: Cross multiply
    62,148.11x = 85,728.31 × 39,168.93
  4. Step 4: Simplify right side
    62,148.11x = 3,357,886,173.41
  5. Step 5: Solve for x
    x = 3,357,886,173.41/62,148.11
  6. Step 6: Final answer
    x = 54,030.38

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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.