Home / 48,417.04-72,629.18-13,356.40

Finding the Fourth Proportional to 48,417.04, 72,629.18 and 13,356.40

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Solution

The fourth proportional to 48,417.04, 72,629.18 and 13,356.40 is: 20,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,417.04 : 72,629.18 = 13,356.40 : x
  2. Step 2: Convert to fraction form
    48,417.04/72,629.18 = 13,356.40/x
  3. Step 3: Cross multiply
    48,417.04x = 72,629.18 × 13,356.40
  4. Step 4: Simplify right side
    48,417.04x = 970,064,379.75
  5. Step 5: Solve for x
    x = 970,064,379.75/48,417.04
  6. Step 6: Final answer
    x = 20,035.60

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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.