Home / 46,719.60-70,079.40-28,057.20

Finding the Fourth Proportional to 46,719.60, 70,079.40 and 28,057.20

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Solution

The fourth proportional to 46,719.60, 70,079.40 and 28,057.20 is: 42,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,719.60 : 70,079.40 = 28,057.20 : x
  2. Step 2: Convert to fraction form
    46,719.60/70,079.40 = 28,057.20/x
  3. Step 3: Cross multiply
    46,719.60x = 70,079.40 × 28,057.20
  4. Step 4: Simplify right side
    46,719.60x = 1,966,231,741.68
  5. Step 5: Solve for x
    x = 1,966,231,741.68/46,719.60
  6. Step 6: Final answer
    x = 42,085.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.