Home / 46,721.60-70,082.40-28,059.20

Finding the Fourth Proportional to 46,721.60, 70,082.40 and 28,059.20

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Solution

The fourth proportional to 46,721.60, 70,082.40 and 28,059.20 is: 42,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,721.60 : 70,082.40 = 28,059.20 : x
  2. Step 2: Convert to fraction form
    46,721.60/70,082.40 = 28,059.20/x
  3. Step 3: Cross multiply
    46,721.60x = 70,082.40 × 28,059.20
  4. Step 4: Simplify right side
    46,721.60x = 1,966,456,078.08
  5. Step 5: Solve for x
    x = 1,966,456,078.08/46,721.60
  6. Step 6: Final answer
    x = 42,088.80

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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.