Home / 56,223.86-84,307.12-18,770.47

Finding the Fourth Proportional to 56,223.86, 84,307.12 and 18,770.47

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Solution

The fourth proportional to 56,223.86, 84,307.12 and 18,770.47 is: 28,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,223.86 : 84,307.12 = 18,770.47 : x
  2. Step 2: Convert to fraction form
    56,223.86/84,307.12 = 18,770.47/x
  3. Step 3: Cross multiply
    56,223.86x = 84,307.12 × 18,770.47
  4. Step 4: Simplify right side
    56,223.86x = 1,582,484,266.75
  5. Step 5: Solve for x
    x = 1,582,484,266.75/56,223.86
  6. Step 6: Final answer
    x = 28,146.13

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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.