Home / 46,140.56-63,678.96-28,247.60

Finding the Fourth Proportional to 46,140.56, 63,678.96 and 28,247.60

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Solution

The fourth proportional to 46,140.56, 63,678.96 and 28,247.60 is: 38,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,140.56 : 63,678.96 = 28,247.60 : x
  2. Step 2: Convert to fraction form
    46,140.56/63,678.96 = 28,247.60/x
  3. Step 3: Cross multiply
    46,140.56x = 63,678.96 × 28,247.60
  4. Step 4: Simplify right side
    46,140.56x = 1,798,777,790.50
  5. Step 5: Solve for x
    x = 1,798,777,790.50/46,140.56
  6. Step 6: Final answer
    x = 38,984.74

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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.