Home / 34,985.42-52,485.62-12,798.71

Finding the Fourth Proportional to 34,985.42, 52,485.62 and 12,798.71

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Solution

The fourth proportional to 34,985.42, 52,485.62 and 12,798.71 is: 19,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,985.42 : 52,485.62 = 12,798.71 : x
  2. Step 2: Convert to fraction form
    34,985.42/52,485.62 = 12,798.71/x
  3. Step 3: Cross multiply
    34,985.42x = 52,485.62 × 12,798.71
  4. Step 4: Simplify right side
    34,985.42x = 671,747,903.13
  5. Step 5: Solve for x
    x = 671,747,903.13/34,985.42
  6. Step 6: Final answer
    x = 19,200.80

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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.