Home / 51,356.02-70,869.98-28,695.20

Finding the Fourth Proportional to 51,356.02, 70,869.98 and 28,695.20

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Solution

The fourth proportional to 51,356.02, 70,869.98 and 28,695.20 is: 39,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,356.02 : 70,869.98 = 28,695.20 : x
  2. Step 2: Convert to fraction form
    51,356.02/70,869.98 = 28,695.20/x
  3. Step 3: Cross multiply
    51,356.02x = 70,869.98 × 28,695.20
  4. Step 4: Simplify right side
    51,356.02x = 2,033,628,233.25
  5. Step 5: Solve for x
    x = 2,033,628,233.25/51,356.02
  6. Step 6: Final answer
    x = 39,598.63

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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.