Home / 51,028.02-70,424.50-28,369.26

Finding the Fourth Proportional to 51,028.02, 70,424.50 and 28,369.26

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Solution

The fourth proportional to 51,028.02, 70,424.50 and 28,369.26 is: 39,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,028.02 : 70,424.50 = 28,369.26 : x
  2. Step 2: Convert to fraction form
    51,028.02/70,424.50 = 28,369.26/x
  3. Step 3: Cross multiply
    51,028.02x = 70,424.50 × 28,369.26
  4. Step 4: Simplify right side
    51,028.02x = 1,997,890,950.87
  5. Step 5: Solve for x
    x = 1,997,890,950.87/51,028.02
  6. Step 6: Final answer
    x = 39,152.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.