Home / 51,435.02-77,161.08-17,699.69

Finding the Fourth Proportional to 51,435.02, 77,161.08 and 17,699.69

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Solution

The fourth proportional to 51,435.02, 77,161.08 and 17,699.69 is: 26,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,435.02 : 77,161.08 = 17,699.69 : x
  2. Step 2: Convert to fraction form
    51,435.02/77,161.08 = 17,699.69/x
  3. Step 3: Cross multiply
    51,435.02x = 77,161.08 × 17,699.69
  4. Step 4: Simplify right side
    51,435.02x = 1,365,727,196.07
  5. Step 5: Solve for x
    x = 1,365,727,196.07/51,435.02
  6. Step 6: Final answer
    x = 26,552.48

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1.5x scale

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.