Home / 42,566.40-63,859.95-19,192.86

Finding the Fourth Proportional to 42,566.40, 63,859.95 and 19,192.86

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Solution

The fourth proportional to 42,566.40, 63,859.95 and 19,192.86 is: 28,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,566.40 : 63,859.95 = 19,192.86 : x
  2. Step 2: Convert to fraction form
    42,566.40/63,859.95 = 19,192.86/x
  3. Step 3: Cross multiply
    42,566.40x = 63,859.95 × 19,192.86
  4. Step 4: Simplify right side
    42,566.40x = 1,225,655,079.96
  5. Step 5: Solve for x
    x = 1,225,655,079.96/42,566.40
  6. Step 6: Final answer
    x = 28,793.96

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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.