Home / 48,477.88-72,718.04-13,417.84

Finding the Fourth Proportional to 48,477.88, 72,718.04 and 13,417.84

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Solution

The fourth proportional to 48,477.88, 72,718.04 and 13,417.84 is: 20,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,477.88 : 72,718.04 = 13,417.84 : x
  2. Step 2: Convert to fraction form
    48,477.88/72,718.04 = 13,417.84/x
  3. Step 3: Cross multiply
    48,477.88x = 72,718.04 × 13,417.84
  4. Step 4: Simplify right side
    48,477.88x = 975,719,025.83
  5. Step 5: Solve for x
    x = 975,719,025.83/48,477.88
  6. Step 6: Final answer
    x = 20,127.10

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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.