Home / 56,784.02-78,360.92-31,292.74

Finding the Fourth Proportional to 56,784.02, 78,360.92 and 31,292.74

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Solution

The fourth proportional to 56,784.02, 78,360.92 and 31,292.74 is: 43,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,784.02 : 78,360.92 = 31,292.74 : x
  2. Step 2: Convert to fraction form
    56,784.02/78,360.92 = 31,292.74/x
  3. Step 3: Cross multiply
    56,784.02x = 78,360.92 × 31,292.74
  4. Step 4: Simplify right side
    56,784.02x = 2,452,127,543.35
  5. Step 5: Solve for x
    x = 2,452,127,543.35/56,784.02
  6. Step 6: Final answer
    x = 43,183.41

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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.