Home / 42,040.42-63,060.63-12,458.68

Finding the Fourth Proportional to 42,040.42, 63,060.63 and 12,458.68

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Solution

The fourth proportional to 42,040.42, 63,060.63 and 12,458.68 is: 18,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,040.42 : 63,060.63 = 12,458.68 : x
  2. Step 2: Convert to fraction form
    42,040.42/63,060.63 = 12,458.68/x
  3. Step 3: Cross multiply
    42,040.42x = 63,060.63 × 12,458.68
  4. Step 4: Simplify right side
    42,040.42x = 785,652,209.77
  5. Step 5: Solve for x
    x = 785,652,209.77/42,040.42
  6. Step 6: Final answer
    x = 18,688.02

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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.