Home / 56,937.60-85,406.40-39,441.60

Finding the Fourth Proportional to 56,937.60, 85,406.40 and 39,441.60

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Solution

The fourth proportional to 56,937.60, 85,406.40 and 39,441.60 is: 59,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937.60 : 85,406.40 = 39,441.60 : x
  2. Step 2: Convert to fraction form
    56,937.60/85,406.40 = 39,441.60/x
  3. Step 3: Cross multiply
    56,937.60x = 85,406.40 × 39,441.60
  4. Step 4: Simplify right side
    56,937.60x = 3,368,565,066.24
  5. Step 5: Solve for x
    x = 3,368,565,066.24/56,937.60
  6. Step 6: Final answer
    x = 59,162.40

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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.