Home / 42,068.70-63,098.19-12,483.45

Finding the Fourth Proportional to 42,068.70, 63,098.19 and 12,483.45

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Solution

The fourth proportional to 42,068.70, 63,098.19 and 12,483.45 is: 18,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,068.70 : 63,098.19 = 12,483.45 : x
  2. Step 2: Convert to fraction form
    42,068.70/63,098.19 = 12,483.45/x
  3. Step 3: Cross multiply
    42,068.70x = 63,098.19 × 12,483.45
  4. Step 4: Simplify right side
    42,068.70x = 787,683,099.96
  5. Step 5: Solve for x
    x = 787,683,099.96/42,068.70
  6. Step 6: Final answer
    x = 18,723.73

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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.