Home / 56,741.28-78,305.76-31,590.24

Finding the Fourth Proportional to 56,741.28, 78,305.76 and 31,590.24

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Solution

The fourth proportional to 56,741.28, 78,305.76 and 31,590.24 is: 43,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,741.28 : 78,305.76 = 31,590.24 : x
  2. Step 2: Convert to fraction form
    56,741.28/78,305.76 = 31,590.24/x
  3. Step 3: Cross multiply
    56,741.28x = 78,305.76 × 31,590.24
  4. Step 4: Simplify right side
    56,741.28x = 2,473,697,751.78
  5. Step 5: Solve for x
    x = 2,473,697,751.78/56,741.28
  6. Step 6: Final answer
    x = 43,596.09

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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.