Home / 56,628.08-78,147.96-31,477.04

Finding the Fourth Proportional to 56,628.08, 78,147.96 and 31,477.04

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Solution

The fourth proportional to 56,628.08, 78,147.96 and 31,477.04 is: 43,438.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,628.08 : 78,147.96 = 31,477.04 : x
  2. Step 2: Convert to fraction form
    56,628.08/78,147.96 = 31,477.04/x
  3. Step 3: Cross multiply
    56,628.08x = 78,147.96 × 31,477.04
  4. Step 4: Simplify right side
    56,628.08x = 2,459,866,462.84
  5. Step 5: Solve for x
    x = 2,459,866,462.84/56,628.08
  6. Step 6: Final answer
    x = 43,438.99

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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.