Home / 56,207.80-77,563.02-31,056.76

Finding the Fourth Proportional to 56,207.80, 77,563.02 and 31,056.76

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Solution

The fourth proportional to 56,207.80, 77,563.02 and 31,056.76 is: 42,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207.80 : 77,563.02 = 31,056.76 : x
  2. Step 2: Convert to fraction form
    56,207.80/77,563.02 = 31,056.76/x
  3. Step 3: Cross multiply
    56,207.80x = 77,563.02 × 31,056.76
  4. Step 4: Simplify right side
    56,207.80x = 2,408,856,097.02
  5. Step 5: Solve for x
    x = 2,408,856,097.02/56,207.80
  6. Step 6: Final answer
    x = 42,856.26

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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.