Home / 49,345.89-74,023.55-13,807.23

Finding the Fourth Proportional to 49,345.89, 74,023.55 and 13,807.23

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Solution

The fourth proportional to 49,345.89, 74,023.55 and 13,807.23 is: 20,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,345.89 : 74,023.55 = 13,807.23 : x
  2. Step 2: Convert to fraction form
    49,345.89/74,023.55 = 13,807.23/x
  3. Step 3: Cross multiply
    49,345.89x = 74,023.55 × 13,807.23
  4. Step 4: Simplify right side
    49,345.89x = 1,022,060,111.23
  5. Step 5: Solve for x
    x = 1,022,060,111.23/49,345.89
  6. Step 6: Final answer
    x = 20,712.16

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1.5x scale

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.