Home / 51,433.02-77,158.08-17,697.69

Finding the Fourth Proportional to 51,433.02, 77,158.08 and 17,697.69

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Solution

The fourth proportional to 51,433.02, 77,158.08 and 17,697.69 is: 26,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.02 : 77,158.08 = 17,697.69 : x
  2. Step 2: Convert to fraction form
    51,433.02/77,158.08 = 17,697.69/x
  3. Step 3: Cross multiply
    51,433.02x = 77,158.08 × 17,697.69
  4. Step 4: Simplify right side
    51,433.02x = 1,365,519,780.84
  5. Step 5: Solve for x
    x = 1,365,519,780.84/51,433.02
  6. Step 6: Final answer
    x = 26,549.48

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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.