Home / 56,079.34-77,370.35-31,877.84

Finding the Fourth Proportional to 56,079.34, 77,370.35 and 31,877.84

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Solution

The fourth proportional to 56,079.34, 77,370.35 and 31,877.84 is: 43,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,079.34 : 77,370.35 = 31,877.84 : x
  2. Step 2: Convert to fraction form
    56,079.34/77,370.35 = 31,877.84/x
  3. Step 3: Cross multiply
    56,079.34x = 77,370.35 × 31,877.84
  4. Step 4: Simplify right side
    56,079.34x = 2,466,399,672.08
  5. Step 5: Solve for x
    x = 2,466,399,672.08/56,079.34
  6. Step 6: Final answer
    x = 43,980.54

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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.