Home / 56,817.08-78,410.24-31,666.76

Finding the Fourth Proportional to 56,817.08, 78,410.24 and 31,666.76

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Solution

The fourth proportional to 56,817.08, 78,410.24 and 31,666.76 is: 43,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,817.08 : 78,410.24 = 31,666.76 : x
  2. Step 2: Convert to fraction form
    56,817.08/78,410.24 = 31,666.76/x
  3. Step 3: Cross multiply
    56,817.08x = 78,410.24 × 31,666.76
  4. Step 4: Simplify right side
    56,817.08x = 2,482,998,251.62
  5. Step 5: Solve for x
    x = 2,482,998,251.62/56,817.08
  6. Step 6: Final answer
    x = 43,701.62

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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.