Home / 42,360.99-63,541.94-12,779.08

Finding the Fourth Proportional to 42,360.99, 63,541.94 and 12,779.08

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Solution

The fourth proportional to 42,360.99, 63,541.94 and 12,779.08 is: 19,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,360.99 : 63,541.94 = 12,779.08 : x
  2. Step 2: Convert to fraction form
    42,360.99/63,541.94 = 12,779.08/x
  3. Step 3: Cross multiply
    42,360.99x = 63,541.94 × 12,779.08
  4. Step 4: Simplify right side
    42,360.99x = 812,007,478.93
  5. Step 5: Solve for x
    x = 812,007,478.93/42,360.99
  6. Step 6: Final answer
    x = 19,168.76

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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.