Home / 56,934.18-85,392.48-19,485.65

Finding the Fourth Proportional to 56,934.18, 85,392.48 and 19,485.65

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Solution

The fourth proportional to 56,934.18, 85,392.48 and 19,485.65 is: 29,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,934.18 : 85,392.48 = 19,485.65 : x
  2. Step 2: Convert to fraction form
    56,934.18/85,392.48 = 19,485.65/x
  3. Step 3: Cross multiply
    56,934.18x = 85,392.48 × 19,485.65
  4. Step 4: Simplify right side
    56,934.18x = 1,663,927,550.95
  5. Step 5: Solve for x
    x = 1,663,927,550.95/56,934.18
  6. Step 6: Final answer
    x = 29,225.46

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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.