Home / 56,885.40-85,303.26-30,225.60

Finding the Fourth Proportional to 56,885.40, 85,303.26 and 30,225.60

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Solution

The fourth proportional to 56,885.40, 85,303.26 and 30,225.60 is: 45,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,885.40 : 85,303.26 = 30,225.60 : x
  2. Step 2: Convert to fraction form
    56,885.40/85,303.26 = 30,225.60/x
  3. Step 3: Cross multiply
    56,885.40x = 85,303.26 × 30,225.60
  4. Step 4: Simplify right side
    56,885.40x = 2,578,342,215.46
  5. Step 5: Solve for x
    x = 2,578,342,215.46/56,885.40
  6. Step 6: Final answer
    x = 45,325.20

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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.