Home / 56,730.72-78,288.48-32,858.76

Finding the Fourth Proportional to 56,730.72, 78,288.48 and 32,858.76

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Solution

The fourth proportional to 56,730.72, 78,288.48 and 32,858.76 is: 45,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,730.72 : 78,288.48 = 32,858.76 : x
  2. Step 2: Convert to fraction form
    56,730.72/78,288.48 = 32,858.76/x
  3. Step 3: Cross multiply
    56,730.72x = 78,288.48 × 32,858.76
  4. Step 4: Simplify right side
    56,730.72x = 2,572,462,375.08
  5. Step 5: Solve for x
    x = 2,572,462,375.08/56,730.72
  6. Step 6: Final answer
    x = 45,345.14

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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.