Home / 56,931.20-85,396.80-37,904.30

Finding the Fourth Proportional to 56,931.20, 85,396.80 and 37,904.30

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Solution

The fourth proportional to 56,931.20, 85,396.80 and 37,904.30 is: 56,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931.20 : 85,396.80 = 37,904.30 : x
  2. Step 2: Convert to fraction form
    56,931.20/85,396.80 = 37,904.30/x
  3. Step 3: Cross multiply
    56,931.20x = 85,396.80 × 37,904.30
  4. Step 4: Simplify right side
    56,931.20x = 3,236,905,926.24
  5. Step 5: Solve for x
    x = 3,236,905,926.24/56,931.20
  6. Step 6: Final answer
    x = 56,856.45

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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.