Home / 56,356.02-84,478.41-31,407.80

Finding the Fourth Proportional to 56,356.02, 84,478.41 and 31,407.80

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Solution

The fourth proportional to 56,356.02, 84,478.41 and 31,407.80 is: 47,080.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,356.02 : 84,478.41 = 31,407.80 : x
  2. Step 2: Convert to fraction form
    56,356.02/84,478.41 = 31,407.80/x
  3. Step 3: Cross multiply
    56,356.02x = 84,478.41 × 31,407.80
  4. Step 4: Simplify right side
    56,356.02x = 2,653,280,583.21
  5. Step 5: Solve for x
    x = 2,653,280,583.21/56,356.02
  6. Step 6: Final answer
    x = 47,080.69

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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.